na INLIS000000000000840 20250901111227 0010-0421000840 250901 0 ind Rules For The Classification and Construction of Seagoing Steel Ships: Vol. 2 Rules for Hull Classification Biro Klasifikasi Indonesia Jakarta : Biro Klasifikasi Indonesia, 1989 x:ilus.; 30 cm. 623.8 REF BIR r k.1 Tentang peraturan2 klasifikasi dan konstruksi kapal 623.8 REF KAPAL,GALANGAN