Home / Standards / MT 453-1995 MT 453-1995 Active 隔绝式压缩氧呼吸器 Standard Type MT45 ICS N/A CCS N/A Status Active Issue Date 1995-12-28 Implementation 1996-04-01 Centralized Committee 国家矿山安全监察局 Issuing Authority 国家矿山安全监察局