Alois Puchl

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Grimmenstein, AT

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing nonmagnetic drilling string components
- Patent number 4,919,728
- Issue date Apr 24, 1990
- Vereinigte Edelstahlwerke AG (VEW)
- Heinz Kohl
- C21 - METALLURGY OF IRON