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Kalck; Kathy

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  • Lederach, PA, US
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  • Information Patent Grant

    Fire-sprinkler cut-off device
    • Patent number 4,638,866
    • Issue date Jan 27, 1987
    • Kalck, Sr.; Charles W.
    • Vincent Capasso
    • A62 - LIFE-SAVING FIRE-FIGHTING

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