HB 1599-1987 双头螺拴.pdf

相关资源

GB T 12869-1991 机床夹具零件及部件 双头螺拴.pdf

BS 2693-1-1956 Specification for screwed studs - General purpose studs《双头螺栓 第1部分 通用双头螺拴》.pdf

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