硅溶胶铸造球阀,硅溶胶二片式球阀,带锁硅溶胶球阀
Q41F硅溶胶高平台球阀标准规范
设计与制造Design:GB/T
连接法兰End Flange:GB9113.1
防火测试Fire Safe:API607 4th 1993
结构长度Face to Face:GB/T
检测与试验Inspection&Testing:GB/T
硅溶胶铸造球阀,硅溶胶二片式球阀,带锁硅溶胶球阀
设计与制造Design:GB/T
连接法兰End Flange:GB9113.1
防火测试Fire Safe:API607 4th 1993
结构长度Face to Face:GB/T
检测与试验Inspection&Testing:GB/T
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