tom2005 发表于 2009-3-16 22:40:31

ASTM E18-00 Standard Test Methods forRockwell Hardness and Rockwell Superficial

ASTM E18 Standard test methods for rockwell hardness and rockwell superficial hardness of metallic materials1,2
ASTM E18-00 金属材料洛氏硬度和洛氏表面硬度的测试方法
页: [1]
查看完整版本: ASTM E18-00 Standard Test Methods forRockwell Hardness and Rockwell Superficial