Nielsen, Jr.; Anker J.

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  • Holden, MA, US

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    Tamper indicating cover for a gas meter

    • Patent number 4,609,217
    • Issue date Sep 2, 1986
    • Nielsen, Jr.; Anker J.
    • Anker J. Nielsen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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