GB - Chinese national standards

Practice for electromagnetic examination of ferromagnetic steel wire rope

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Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 1:Test method

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Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 2: Verification and calibration of testing machines

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Available design: electronic design (pdf), Print design

Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 3:Calibration of reference blocks

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

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Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 5: Linear elastic dynamic instrumented indentation testing (DIIT)

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Test methods of steel for prestressing concrete

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Vulcanizing accelerator—N-tert-butyl-1,3-benzothiazole-2-sulfenamideTBBS

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Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine6PPD

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