作废 HB 5990-1996
Ｂ型拧入式变径直通管接头 钢４５ Ｂ型拧入式变径直通管接头 钢４５
发布日期：1996-09-13
实施日期：1997-01-01
分类信息
发布单位或类别： 中国 行业标准-航空
CCS分类：
ICS分类：
标准简介
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管接头型拧入式变

最后更新时间 2025-08-29