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DEVICE FOR INDICATING THE POSITION OF A FOUNDERED SHIP BY AUTOMATICALLY EMEGING ON THE WATER SURFACE AND EMITTING RADIO AND LIGHT SIGNALS WHILE RENAING TIED TO THE SHIP
DEVICE FOR INDICATING THE POSITION OF A FOUNDERED SHIP BY AUTOMATICALLY EMEGING ON THE WATER SURFACE AND EMITTING RADIO AND LIGHT SIGNALS WHILE RENAING TIED TO THE SHIP