TREA

Metro/Kalvar Corporation

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  • Darien, CT, US
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  • Information Patent Grant

    Ultrasonic film splicer
    • Patent number 4,029,538
    • Issue date Jun 14, 1977
    • Metro/Kalvar Corporation
    • Wallace I. Vance
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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