American Stan dard of Perfection
American Standard
American Standard Code for Information Interchange
American Standard Code for Infromation Interchange
American Standard of Testing Materials(ASTM)
American standard pipe thread
American standard screw thread
American Standard Taper Pipe Thread
American standard thread
American Standard
American Standard Code for Information Interchange
American Standard Code for Infromation Interchange
American Standard of Testing Materials(ASTM)
American standard pipe thread
American standard screw thread
American Standard Taper Pipe Thread
American standard thread
American Standard of Testing Materials(ASTM)
American Standard of Testing Materials(ASTM)
Definitions
- [1] [化] 美国材料试验标准