Otto Schuhmacher

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Plankstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Movable refractory plate assembly with movable refractory control m...
- Patent number 4,802,611
- Issue date Feb 7, 1989
- Didier-Werke AG
- Otto Schuhmacher
- B22 - CASTING POWDER METALLURGY