BS 3643-1:1981被替代
Iso Metric Screw Threads - Principles And Basic Data
出版：British Standards Institution
专家解读视频
81 AMD 4701 [31/12/1984]81 AMD 3910 [31/05/1982]1981 [31/03/1981]
© British Standards Institution 2013
Amendment notes:
AMD 3910 published 31 May 1982
AMD 4701 published 31 December 1984
ISO 68:1973 - Equivalent
ISO 965-3:1998 - Equivalent
ISO 965-1:1998 - Equivalent
ISO 724:1993 - Equivalent
ISO 262:1998 - Equivalent
ISO 261:1998 - Equivalent
