Home / Standards / GB/T 6072.4-2012 GB/T 6072.4-2012 Active Reciprocating internal combustion engines - Performance - Part 4: Speed governing 往复式内燃机 性能 第4部分：调速 Standard Type GBT ICS 27.020 CCS J90 Status 现行 Issue Date 2012-09-03 Implementation 2013-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A