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B21G 1/00
|
Making needles used for performing operations |
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B21G 1/02
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Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls |
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B21G 1/04
|
Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls of needles specially adapted for use in machines or tools |
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B21G 1/06
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Making needles used for performing operations of needles with hook or barb, e.g. crochet hooks |
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B21G 1/08
|
Making needles used for performing operations of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles |
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B21G 1/10
|
Making needles used for performing operations equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres |
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B21G 1/12
|
Securing, cleaning-off burrs, reconditioning, polishing, grinding |
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B21G 3/00
|
Making pins, nails, or the like |
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B21G 3/02
|
Making pins, nails, or the like of pins of the kind used in the tailoring trade or the household |
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B21G 3/04
|
Making pins, nails, or the like of pins of the kind used in the tailoring trade or the household with locking or shielding device for the pin point, e.g. safety-pins |
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B21G 3/06
|
Making pins, nails, or the like of nails with shoulders |
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B21G 3/08
|
Making pins, nails, or the like of nails with head and two or more shanks or split shanks |
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B21G 3/10
|
Making pins, nails, or the like of undulated nails or pins |
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B21G 3/12
|
UpsettingForming heads |
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B21G 3/14
|
Reducing diameter of parts otherwise than by rolling |
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B21G 3/16
|
Pointing, with or without cutting |
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B21G 3/18
|
Making pins, nails, or the like by operations not restricted to one of the groups |
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B21G 3/20
|
Making pins, nails, or the like by operations not restricted to one of the groups from wire of indefinite length |
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B21G 3/22
|
Making pins, nails, or the like by operations not restricted to one of the groups from wire of indefinite length in pairs arranged head to head |
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B21G 3/24
|
Making pins, nails, or the like by operations not restricted to one of the groups from wire of indefinite length by simultaneously forming the head of one nail and the adjacent point of another |
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B21G 3/26
|
Making pins, nails, or the like by operations not restricted to one of the groups by cutting from strip or sheet material |
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B21G 3/28
|
Making pins, nails, or the like by operations not restricted to one of the groups by forging or pressing |
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B21G 3/30
|
Making pins, nails, or the like by operations not restricted to one of the groups by rolling |
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B21G 3/32
|
Feeding material to be worked to nail or pin making machines |
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B21G 5/00
|
Making pins or nails with attached caps or with coated heads |
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B21G 5/02
|
Making pins or nails with attached caps or with coated heads of drawing-pins or pins of drawing-pin type |
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B21G 7/00
|
Making pins of U-like shape or split-pins |
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B21G 7/02
|
Making pins of U-like shape or split-pins of U-like shape |
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B21G 7/04
|
Making pins of U-like shape or split-pins of U-like shape of hairpins |
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B21G 7/06
|
Making pins of U-like shape or split-pins of U-like shape of hairpins of undulated hairpins |
|
B21G 7/08
|
Making pins of U-like shape or split-pins of split-pins, e.g. cotter-pins |
