TREA

Harkness; Jack W.

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  • Alto, MI, US
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  • Information Patent Grant

    Foam injection nozzle
    • Patent number 4,135,882
    • Issue date Jan 23, 1979
    • Harkness; Jack W.
    • Jack W. Harkness
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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