Home / Standards / GB 16161-2021 GB 16161-2021 Active Regulations for the shape of the marks of maritime buoyage system in China 中国海区水上助航标志形状显示规定 Standard Type GB ICS 03.220.40 CCS R 63 Status 现行 Issue Date 2021-08-10 Implementation 2022-03-01 Responsible Dept 交通运输部 Drafting Unit N/A