作废 QJ 2821-1996
钢丝螺套螺孔用丝锥应用尺寸 钢丝螺套螺孔用丝锥应用尺寸
发布日期:1996-03-21
实施日期:1996-12-01
分类信息
标准简介
相似标准/计划/法规
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丝锥钢丝尺寸螺套螺孔用

最后更新时间 2025-08-29