NFG 42 510:1977废止
Thread Guides - Eyelets, Rods, Tubes And Pig Tail Guides - Recommended Values
出版：Association Francaise de Normalisation
专家解读视频
77 FD [01/12/1977]
Indice de classement: G42-510FD. FD NFG 42 510 December 1977. (05/2003)
ISO 2012:1976 - Equivalent
ISO 6177:1986 - Equivalent
ISO 2013:1983 - Equivalent
ISO 5241:1978 - Equivalent
ISO 1025:1981 - Equivalent
ISO 1037:1982 - Equivalent
ISO 6175:1983 - Equivalent
