Home / Standards / MT 637-1996 MT 637-1996 Abolished 煤与瓦斯突出矿井鉴定规范 Standard Type MT63 ICS N/A CCS N/A Status Abolished Issue Date 1996-12-30 Implementation 1997-11-01 Centralized Committee 国家矿山安全监察局 Issuing Authority 国家矿山安全监察局