Specification modification order
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I found that after many specifications are published, revision orders will be issued later, but many designers are not aware of them, which may cause unnecessary trouble. I'll start by throwing some ideas and sorting out the information in the forum. I hope people downstairs can follow up~ GB150-1998 "Steel Pressure Vessels" No. 1 and No. 2 Amendment Orders http://bbs.hcbbs.com/viewthread.php?tid=30466&highlight=%D0%DE%B8%C4%B5%A5GB15599-1995 "Lightning Safety Code for Petroleum and Petroleum Facilities" * * Standard No. 1 Modification Order http://bbs.hcbbs.com/viewthread.php?tid=277344&highlight=%D0%DE%B8%C4%B5%A5GB/T 11263-2005 Hot-rolled H-shaped steel and some T-shaped steel and modification order No. 1 http://bbs.hcbbs.com/viewthread.php?tid=16569&highlight=%D0%DE%B8%C4%B5%A5 JB4732-1995 Modification Order No. 1 and 2 http://bbs.hcbbs.com/viewthread.php?tid=107164&highlight=%D0%DE%B8%C4%B5%A5 HG20592~20635 Modification Order No. 1 http://bbs.hcbbs.com/viewthread.php?tid=7664&highlight=%D0%DE%B8%C4%B5%A5 GB151-1999 No.1 Amendment Order http://bbs.hcbbs.com/viewthread.php?tid=7666&highlight=%D0%DE%B8%C4%B5%A5
"Petrochemical Toxic and Combustible Media Pipeline Engineering Construction and Acceptance Specifications" SH3501-2002 (2004) 2004 No. 1 Amendment "Steel Pipe Flanges, Gaskets, Fasteners" HG20592~20635-1997 (2001) 2001 No. 1 Amendment