GB/T 21838.4-2020

Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 4: Test method for metallic and non-metallic coatings

STANDARD published on 14.12.2020

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The information about the standard:

Designation standards: GB/T 21838.4-2020
Publication date standards: 14.12.2020
Country: Chinese technical standard
Category: Technical standards GB