GB/T 39693.9-2021硫化橡胶或热塑性橡胶硬度的测定第9部分:硬度计的校准和验证标准
英文:Rubber, vulcanized or thermoplastic—Determination of hardness—Part 9:Calibration and verification of hardness testers...
英文:Rubber, vulcanized or thermoplastic—Determination of hardness—Part 9:Calibration and verification of hardness testers...