Home / Standards / GB/T 11281-1989 GB/T 11281-1989 Abolished Reduction gearhead series of electrical micro-machine for automatic control system 控制微电机用齿轮减速器系列 Standard Type GBT ICS 29.160 CCS J13 Status 废止 Issue Date 1989-03-31 Implementation 1990-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A