Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 10476-2004 Specifications for urea high pressure condenser 180.0 via email in 1~3 business day valid
GB/T 28712.3-2012 Types and basic parameters of heat exchangers - Part 3: U-tube heat exchangers 180.0 via email in 1~3 business day valid
NB/T 47007-2010(JB/T 4758) 4758) Air-cooled heat exchangers 1200.0 via email in 1~3 business day valid
DB21/T 2546-2015 Radiant-convective heat exchanger with parallel pipes via email in business day valid
Q/CNPC 101-2004 135.0 via email in 1~3 business day valid
GB/T 9843-2004 Specifications for urea high pressure scrubber 150.0 via email in 1~3 business day valid
GB/T 28712.2-2012 Types and basic parameters of heat exchangers - Part 2: Fixed tube sheet heat exchangers 210.0 via email in 1~3 business day valid
GB/T 9842-2004 Specification for urea reactor 150.0 via email in 1~3 business day valid
GB/T 28712.6-2012 Type and basic parameters of heat exchanger - Part 6:air cooled heat exchanger 480.0 via email in 1~3 business day valid
JB/T 6924-1998 drawing method of product model for drying equipment 60.0 via email in 1~3 business day valid
NB/T 47004-2009(JB/T4752) Plate heat exchangers 200.0 via email in 1 business day valid
CJ/T 467-2014 Semi-instantaneous water heate 225.0 via email in 1~3 business day valid
HG/T 2650-2011 Water cooled tubular heat exchangers via email in business day valid
NB/T 47007-2010(JB/T 4758) Air-cooled heat exchangers 1200.0 via email in 1~3 business day valid
GB/T 28712.4-2012 Types and basic parameters of heat exchangers - Part 4: vertical thermo-siphon reboilers 180.0 via email in 1~3 business day valid
GB 10476-1989 Specifications for urea high pressure condenser 165.0 via email in 1~3 business day superseded
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