Home / Standards / MT 233-2011 MT 233-2011 Active 1.5t矿车立井多绳罐笼 Standard Type MT23 ICS N/A CCS N/A Status Active Issue Date 2011-04-12 Implementation 2011-09-01 Centralized Committee 国家矿山安全监察局 Issuing Authority 国家矿山安全监察局