Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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SY/T 0321-2000 Technical standard of cement mortar lining of steel pipeline 120.0 via email in 1 business day abolished
GB/T 28713.3-2012 Enhanced heat transfer elements used in tube-shell heat exchangers - Part 3:Wavy tubes 180.0 via email in 1~3 business day valid
DL/T 935-2005 Pipes and fittings of steel lined with plastics 330.0 via email in 1~3 business day valid
GB/T 17456.1-2009 Ductile iron pipes—External zinc-based coating—Part 1:Metallic zinc with finishing layer 120.0 via email in 1~3 business day valid
SY/T 0414-1998 Technical standard of polyethene tape coating for steel pipeline 285.0 via email in 1~3 business day superseded
GB/T 13793-1992 Longitudinal Electric Resistance Welded Steel Tube 40.0 via email in 1 business day abolished
YB/T 4146-2006 Seamless steel tubes for high-carbon chromium bearing steel 135.0 via email in 1~3 business day abolished
GB/T 30582-2014 Risk-based-inspection and Assessment Methodology of External Damage for Buried Steel Pipelines 900.0 via email in 1~10 business day valid
GB 8715-1988 Soft mechanical joint grey cast iron fittings 390.0 via email in 1~5 business day abolished
GB/T 13295-2003 Ductile iron pipes,fittings and accessories for water or gas applications 1260.0 via email in 1~10 business day abolished
SY 0324-2001 Specification of construction and acceptance of heat insulation for buried high temperature steel pipeline 705.0 via email in 1~8 business day superseded
JG/T 3030-1995 Welded stainless steel tubes for architectural decoration 150.0 via email in 1~3 business day valid
SY/T 0442-1997 Technological standard of internal coating of fusion bonded epoxy for steel pipeline 330.0 via email in 1~5 business day abolished
GB/T 14975-1994 Stainless steel seamless tubes for structures 165.0 via email in 1~3 business day abolished
GB/T 3091-2001 Welded steel pipe for low pressure liquid delivery 180.0 via email in 1~3 business day abolished
GB/T 12772-1999 Cast iron pipes and fittings with flexible joint sewerage 495.0 via email in 1~5 business day abolished
GB/T 14976-1994 Stainless steel seamless pipes for fluid transport 150.0 via email in 1~3 business day abolished
JG 225-2007 Corrugated metal ducts for prestressed concrete 120.0 via email in 1~3 business day valid
GB 9948-1988 Seamless steel tubes for petroleum cracking 90.0 via email in 1~3 business day abolished
GB/T 14291-1993 Welded steel pipe for mine liquid service 150.0 via email in 1~3 business day superseded
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