ASTM A 903A903M-99(2003) 钢铸件磁粉探伤和荧光渗透检验的表面验收标准
Designation:A 903/A 903M –99(Reapproved 2003)Standard Specification forSteel Castings,Surface Acceptance Standards,Magnetic Particle and Liquid Penetrant Inspection 1长信秋词五首This standard is issued under
时间:2023-05-19 热度:12℃