BS 7345-1990 Nominal lengths of bolts,screws and studs,and thread lengths for general purpose bllts
标准简介
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适用范围:本文件规定了Nominal lengths of bolts,screws and studs,and thread lengths for general purpose bllts应遵循的技术规范,为国外标准的技术进步提供规范性的指导。
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