varying capacitance

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  • Information Patent Grant

    2655630

    • Patent number 2,655,630
    • Issue date Oct 13, 1953
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2228902

    • Patent number 2,228,902
    • Issue date Jan 14, 1941
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents