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COMINCO ELECTRONIC MATERIALS INCORPORATED, A WA STATE CORP

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  • SPOKANE, WA, US
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  • Information Patent Grant

    Method for making low alpha count lead
    • Patent number 4,887,492
    • Issue date Dec 19, 1989
    • Cominco Electronic Materials Inc.
    • John A. Dunlop
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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