having several cooperating plungers and dies fitted on a rotating table or on moving chains

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    • Patent number 3,059,547
    • Issue date Oct 23, 1962
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    2942529

    • Patent number 2,942,529
    • Issue date Jun 28, 1960
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    2912907

    • Patent number 2,912,907
    • Issue date Nov 17, 1959
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    2184233

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    • Issue date Dec 19, 1939
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    2100739

    • Patent number 2,100,739
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    1995455

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    1843027

    • Patent number 1,843,027
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    1338552

    • Patent number 1,338,552
    • Issue date Apr 27, 1920
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    1163572

    • Patent number 1,163,572
    • Issue date Dec 7, 1915
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