Home / Standards / GB/T 22437.4-2010 GB/T 22437.4-2010 Abolished Cranes - Design principles for loads and load combinations - Part 4: Jib cranes 起重机 载荷与载荷组合的设计原则 第4部分：臂架起重机 Standard Type GBT ICS 53.020.20 CCS J80 Status 废止 Issue Date 2011-01-10 Implementation 2011-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A