ISO-4545-4 › Complete Document History
Metallic materials - Knoop hardness test - Part 4: Table of hardness values
Complete Current Edition: |
2ND EDITION - Part 4: Table of hardness values - March 14, 2017
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Obsolete Revision Information: |
1ST EDITION - Part 4: Table of hardness values - Nov. 15, 2005
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