Home / Standards / CB 3156-1983 CB 3156-1983 Abolished 风雨密舷门 Standard Type CB31 ICS N/A CCS N/A Status Abolished Issue Date 1983-07-11 Implementation 1984-05-01 Centralized Committee 中国船舶工业集团公司 Issuing Authority 中国船舶工业集团公司