00353nam a22001457a 4500 2266 2266 200219b ||||| |||| 00| 0 eng d 387.2 H6779 232 HMSO Merchant ships safety rules London HMSO 1950 110p. 6.02 Ships--Safety regulations BK 0 0 ddc 0 387_200000000000000_H6779 0 6329 CL CL 1953-03-24 E. W. Steves 387.2 H6779 01849 2020-02-19 BK