underwater an observation

PURPOSE: An aquatic see-through device is provided to simplify the structure thereof and increase the waterproofing efficiency with low cost. CONSTITUTION: An aquatic see-through device comprises an aquatic camera part(10) having a lighting and a camera; a cord(20) suspending the camera part; a cord...

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1. Verfasser: SON, CHANG BAE
Format: Patent
Sprache:eng ; kor
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