MANHOLE COVER STRUCTURE FOR SHIP

The present invention relates to a manhole cover structure for a ship which can open and close a manhole of a storage tank. According to one embodiment of the present invention, the manhole cover structure for a ship comprises: a manhole cover main body configured to cover a manhole of the storage t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KIM HAN YOUL
Format: Patent
Sprache:eng ; kor
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