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Henrik Jespersson
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Hagfors, SE
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last 30 patents
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Patent Grant
Precipitation-hardenable tool steel
Patent number
5,202,089
Issue date
Apr 13, 1993
Uddeholm Tooling Aktiebolag
Lars-Ake Norstrom
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Precipitation hardening tool steel for moulding tools and moulding...
Patent number
5,023,049
Issue date
Jun 11, 1991
Uddeholm Tooling Aktiebolag
Larsake Norstrom
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...