TREA

GREEN, TWEED & CO

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  • WILMINGTON, DE, US
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  • Information Patent Grant

    Spring seal
    • Patent number 4,342,463
    • Issue date Aug 3, 1982
    • Green, Tweed & Co., Inc.
    • John A. Burke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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