标准查询 标准查询带公制小螺距螺纹法兰(非金属嵌入件)的流行扭矩型六角螺母
Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread
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标准查询Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread
