Elements for balancing moving parts

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    3508521

    • Patent number 3,508,521
    • Issue date Apr 28, 1970
    • G01 - MEASURING TESTING
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    3157051

    • Patent number 3,157,051
    • Issue date Nov 17, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2575720

    • Patent number 2,575,720
    • Issue date Nov 20, 1951
    • G01 - MEASURING TESTING

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