Arne C. Fridfeldt

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Skelleftehamn, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing blister copper from copper raw material contain...
- Patent number 4,244,733
- Issue date Jan 13, 1981
- Boliden Aktiebolag
- Stig A. Petersson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...