JIS B1021-2003 紧固件公差.第1部分:螺栓、螺钉、螺柱和螺母.产品等级A、B和C级
资料介绍
JIS B1021-2003
Tolerances for fasteners-
Part 1:Bolts, screws,studs and nuts-Product grades A,B and C.rar
Tolerances for fasteners-
Part 1:Bolts, screws,studs and nuts-Product grades A,B and C.rar
