Home / Standards / GB/T 1393-1987 GB/T 1393-1987 Active Gangway turning device 舷梯翻梯装置 Standard Type GBT ICS 47.020.50 CCS U26 Status 现行 Issue Date 1987-12-15 Implementation 1988-10-01 Responsible Dept 国家标准委 Drafting Unit N/A