Sanqing
2020-04-25
CECS 153-2003 Technical Specification for Water Supply Thin-walled Stainless Steel Pipes in Buildings
GBT 12771-2008 Stainless Steel Welded Steel Pipe for Fluid Transportation
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GBT 12771-2008 Stainless Steel Welded Steel Pipe for Fluid Transportation
GBT 19228.1-2011 stainless steel clamp type pipe fitting assembly part 1 clamp type pipe fitting
2020-04-25
GBT 19228.1-2011 stainless steel clamp type pipe fitting assembly part 1 clamp type pipe fitting
