Home / Standards / GB/T 12739-1991 GB/T 12739-1991 Abolished Types and basic parameters ofdriving devices for circulating aerial ropeway 循环式货运架空索道驱动机 型式和基本参数 Standard Type GBT ICS 45.100 CCS J81 Status 废止 Issue Date 1991-03-22 Implementation 1992-02-01 Responsible Dept 国家标准委 Drafting Unit N/A