Folke Karl Evald Johansson

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Borlange, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method for simultaneous combined production of electrical energy an...
- Patent number 3,985,544
- Issue date Oct 12, 1976
- Stora Kopparbergs Bergslags Aktiebolag
- Per Harald Collin
- C21 - METALLURGY OF IRON