00000nz a2200000n 4500 001 KSH1998031306 005 20000802062926 008 980429 n azknn|abn |a a|a | 150 ▼a선박 구조 요소[船舶構造要素]▲ 550 ▼wh▼a선체[船體]▲ 550 ▼wh▼a선판▲ 550 ▼wh▼a해치[hatch]▲ 550 ▼a방수문[防水門]▲