This standard specifies the graphical symbols for ladders and bulwarks in ship layout plans. This standard specifies the basic graphic symbols, which can be used in combination with other graphic symbols.
GB/T 3894.5-1983 history
2008GB/T 3894-2008 Shipbuilding-Indication of details on arrangement plans of ships
1983GB/T 3894.5-1983 Figurations and symbols on the arrangement plans of ships--Stairs and bulwarks
GB/T 3894.5-1983 Figurations and symbols on the arrangement plans of ships--Stairs and bulwarks was changed to GB/T 3894-2008 Shipbuilding-Indication of details on arrangement plans of ships .