Rim for a diver's watch
    71.
    发明授权
    Rim for a diver's watch 失效
    RIM为潜水员观看

    公开(公告)号:US3613354A

    公开(公告)日:1971-10-19

    申请号:US3613354D

    申请日:1969-05-15

    Inventor: JENNY WERNER

    CPC classification number: B63C11/32 G04B19/283 G04B47/061

    Abstract: A RIM FOR A DRIVER''S WATCH COMPRISING THREE CONCENTRIC ANNULAR ZONES BEARING INDICATIONS CONCERNING RESPECTIVELY THE DEPTH OF IMMERSION, THE TIME INTERVAL OF IMMERSION AND THE CORRESPONDING DECOMPRESSION TIME INTERVAL TO BE OBSERVED BY A DIVER BEFORE RETURNING TO THE SURFACE OF THE WATER.

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