作废 EJ/T 9-1975
备用衬垫双面管接头 备用衬垫双面管接头
发布日期:
实施日期:
分类信息
发布单位或类别: 中国 行业标准-核工业
CCS分类: J15机械 - 通用零部件 - 管路附件
ICS分类:
标准简介
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管接头备用

最后更新时间 2025-08-27