Home / Standards / MT/T 323-1999 MT/T 323-1999 Abolished 中双链刮板输送机用刮板 Standard Type MT ICS N/A CCS N/A Status Abolished Issue Date 1999-03-24 Implementation 1999-08-01 Centralized Committee 国家矿山安全监察局 Issuing Authority 国家矿山安全监察局