Bengt Fredrikson

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Vasteras, SW

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Patents Grantslast 30 patents

Information Patent Grant
Electric induction heating of materials of low electrical conductivity
- Patent number 4,082,544
- Issue date Apr 4, 1978
- Asea Aktiebolag
- Bengt Fredrikson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus and method for refining metal
- Patent number 3,971,547
- Issue date Jul 27, 1976
- Allmanna Svenska Elektriska Aktiebolaget
- Bengt Fredrikson
- C21 - METALLURGY OF IRON