Home / Standards / GB 9193 GB 9193 Abolished Acoustic， optical alarm signals and identifying indications in ships 船舶声光报警信号和识别标志 Standard Type GB ICS 47.020.60 CCS U63 Status 废止 Issue Date 1988-05-21 Implementation 1989-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委