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Spence-Bate; H. A. H.

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  • Information Patent Grant

    Step and repeat mechanism
    • Patent number 4,176,947
    • Issue date Dec 4, 1979
    • Spence-Bate; H. A. H.
    • Harry A. H. Spence-Bate
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

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