Fixing the case crown onto the case

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    • Patent number 2,003,781
    • Issue date Jun 4, 1935
    • G04 - HOROLOGY
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    1616999

    • Patent number 1,616,999
    • Issue date Feb 8, 1927
    • G04 - HOROLOGY
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    360478

    • Patent number 360,478
    • Issue date Apr 5, 1887
    • G04 - HOROLOGY
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    251399

    • Patent number 251,399
    • Issue date Dec 27, 1881
    • G04 - HOROLOGY
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    234530

    • Patent number 234,530
    • Issue date Nov 16, 1880
    • G04 - HOROLOGY
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    225874

    • Patent number 225,874
    • Issue date Mar 23, 1880
    • G04 - HOROLOGY

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