- All sections
- B - Performing operationstransporting
- B30B - Presses in generalpresses not otherwise provided for
- B30B 11/28 - Extrusion pressesDies therefor using perforated rollers or discs
Patent holdings for IPC class B30B 11/28
Total number of patents in this class: 22
10-year publication summary
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1
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2
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1
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0
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1
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4
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0
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0
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1
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0
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