Olof K. Franzen

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Hedemora, SE

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Patents Grantslast 30 patents

Information Patent Grant
Composite steel material and composite steel tool made from this ma...
- Patent number 4,232,096
- Issue date Nov 4, 1980
- Uddeholms Aktiebolag
- Olof K. Franzen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR