Home / Standards / MT 830-1999 MT 830-1999 Abolished 煤矿用织物叠层阻燃输送带 Standard Type MT83 ICS N/A CCS N/A Status Abolished Issue Date 1999-11-11 Implementation 2000-03-15 Centralized Committee 国家矿山安全监察局 Issuing Authority 国家矿山安全监察局