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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 to be 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
YB/Z 12-1977 75.0 via email in 1~3 business day abolished
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 0325-2001 Steel pipelines crossing railroads and highways 660.0 via email in 1~8 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 abolished
GB 8714-1988 Grey cast iron pipes with rubber ring of ladder-lip-shaped 120.0 via email in 1~3 business day abolished
GB/T 13793-1992 Longitudinal Electric Resistance Welded Steel Tube 40.0 via email in 1 business day abolished
GB/T 12770-1991 Welded stainless steel tubes for machine structure 150.0 via email in 1~3 business day abolished
JG/T 3013-1994 Metal spiral sheath for prestressee concrete 135.0 via email in 1~3 business day abolished
GB 9948-2006 Seamless steel tubes for petroleum cracking 100.0 via email in 1~2 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 to be abolished
SY/T 0379-1998 Standard of coal tar enamel external coating for buried steel pipeline 540.0 via email in 1~5 business day superseded
GB/T 28713.1-2012 Enhanced heat transfer elements used in tube-shell heat exchangers -Part 1:Threaded tubes 120.0 via email in 1~3 business day valid
SY/T 0315-1997 Technological standard of external fusion bonded epoxy coating for steel pipeline 555.0 via email in 1~5 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
SY 0401-1998 Standard for consyruction and acceptance of oil and natural gas pipeline project 525.0 via email in 1~5 business day abolished
GB 8715-1988 Soft mechanical joint grey cast iron fittings 390.0 via email in 1~5 business day abolished
SY/T 6601-2004 CRA line pipe 975.0 via email in 1~3 business day valid
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