TREA

Pratt & Whintey Canada

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  • Longeueil, CA
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  • Information Patent Grant

    Offset ribs for heat transfer surface
    • Patent number 5,052,889
    • Issue date Oct 1, 1991
    • Pratt & Whintey Canada
    • William Abdel-Messeh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

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