Karl-Axel Melkersson

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Helsingborg, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a partially reduced product from finely-divided...
- Patent number 4,087,274
- Issue date May 2, 1978
- Boliden Aktiebolag
- Ingvar A. O. Edenwall
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the purification of sulphuric acid containing mercury
- Patent number 3,932,149
- Issue date Jan 13, 1976
- Boliden Aktiebolag
- Karl-Axel Melkersson
- C01 - INORGANIC CHEMISTRY