作废 QJ 244-1978
管道用凹面法兰盖 管道用凹面法兰盖
发布日期:1978-02-28
实施日期:1978-02-28
分类信息
发布单位或类别: 中国 行业标准-航天
CCS分类:
ICS分类:
标准简介
相似标准/计划/法规
ADS AS46766
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法兰及其接头 指定等级的管道、阀门、配件和附件用圆形法兰
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法兰及其连接件.指定等级法兰用垫片.第6部分:钢法兰用有盖锯齿金属垫片;德文版EN 12560-6:2003
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法兰及其接头.管道、阀门、配件和附件用指定等级的圆形法兰.第4部分:铝合金法兰
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法兰管道凹面

最后更新时间 2025-08-27