HG/T 20542-2006.Technical specification of lining laying for calcium carbide fur...

行业标准2023.08.08

HG/T 20541-2006.Design specification of structure of chemical industrial furnace...

行业标准2023.08.08

HG/T 20524-2006.Specification on design of chemical feed system of recirculating...

行业标准2023.08.08

HG/T 20518-2008.Code for design of material handling of chemical industry.1总则1.0...

行业标准2023.08.08

HG/T 20606-2009.Non-metallic flat gaskets for use with steel pipe flanges(PN des...

行业标准2023.08.08

HG/T 20511-2000.Design Code for Signal Alarm and Safety Interlock System.1总则1.0....

行业标准2023.08.08

HG/T 20592-2009.Steel pipe flanges(PN designated).1总则1.0.1HG/T 20592规定了钢制管法兰(PN系...

行业标准2023.08.08

HG/T 20555-2006.Specification for design of centrifugal compressor foundation.1总...

行业标准2023.08.08

HG/T 20543-2006.Technical specification of lining for chemical industrial furnac...

行业标准2023.08.08

HG/T 20544-2006.Technical specification on erection of structure parts for chemi...

行业标准2023.08.08