ON-WATER OBSTRUCTION DEVICE

PROBLEM TO BE SOLVED: To provide an on-water obstruction device which urges the stoppage of other vessels such as a pirate ship approaching the vessel without employing an aircraft and gunpowder with a simple constitution.SOLUTION: An on-water obstruction device 100 comprises a protective rope 110 w...

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Bibliographische Detailangaben
1. Verfasser: TAKANO TAKETOSHI
Format: Patent
Sprache:eng
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