DIN EN ISO 898-1_Rev 2013-05
Mechanical properties of fasteners made of carbon steel and alloy steel –Part 1: Bolts, screws and studs with specified property classes –
Coarse thread and fine pitch thread (ISO 898-1:2013);
German version EN ISO 898-1:2013
碳钢和合金钢制造的紧固件机械性能—
第1部分：
螺栓, 螺钉 和螺柱及其规定的性能等级—粗牙和细牙螺纹
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