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Gilles Pierson
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Chenieres, FR
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last 30 patents
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Soft steel for machine cutting and method of producing it
Patent number
4,978,499
Issue date
Dec 18, 1990
Unimetal
Gilles Pierson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...