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Fernand Piche Enterprises Limited
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Rutherglen, CA
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Patent Grant
Recovery of tungsten carbide from scrap mining bits
Patent number
4,170,513
Issue date
Oct 9, 1979
Fernand Piche Enterprises Limited
Fernand J. Piche
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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