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Hans Hallén
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Helsingborg, SE
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last 30 patents
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Patent Grant
Use of a metal powder for surface coating by submerged arc welding
Patent number
6,331,688
Issue date
Dec 18, 2001
Höganäs AB
Hans Hallén
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Powder composition and process for the preparation thereof
Patent number
6,245,165
Issue date
Jun 12, 2001
Höganäs AB
Johan Arvidsson
B22 - CASTING POWDER METALLURGY