2017HG/T 2370-2017 Technical conditions for chemical equipment made of impermeable graphite
2006HG/T 2370-2005 Specification of graphite chemical process equipment
1992HG 2370-1992 Specifications for chemical equipment made of graphite
HG/T 2370-2006 Graphite chemical T equipment technical conditions has been changed from HG 2370-1992 Specifications for chemical equipment made of graphite.