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2022
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Invention
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Electric-hydraulic brinell hardness testing head and portable electric-hydraulic brinell hardness... |
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2013
|
Invention
|
Portable digital display hardness tester. The invention relates to a material hardness testing in... |
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|
Invention
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Indentation depth measurement device for portable digital display hardness tester. A material har... |
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|
Invention
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Portable digital display hardness tester. A portable digital display hardness tester comprises a ... |
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2012
|
Invention
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Portable digital display hardness measuring device. A portable digital display hardness measuring... |
