Home / Standards / GB 40556-2021 GB 40556-2021 Active Technical requirements for flooding emergency operation of sea-going ship engine room 海船机舱进水应急操作技术要求 Standard Type GB ICS 03.220.40 CCS R22 Status 现行 Issue Date 2021-08-10 Implementation 2022-03-01 Responsible Dept 交通运输部 Drafting Unit N/A