Home / Standards / GB 16541 GB 16541 Abolished Safety technical requirements for shaft cage hoisting signal system 竖井罐笼提升信号系统安全技术要求 Standard Type GB ICS 53.020.01 CCS C66 Status 废止 Issue Date 1996-09-25 Implementation 1997-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会