国外标准列表
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[国外标准] BS EN 2926-1996 Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-
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[国外标准] BS EN 292-2-1991 Safety of machinery. Basic concepts, general principles for design. Technical princ
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[国外标准] BS EN 292-1-1991 Safety of machinery — Basic concepts, general principles for design — Part 1 Basic
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[国外标准] BS EN 2870-1996 Bolts, normal bihexagonal head, close tolerance normal shank, short thread, in titan