Klaus Keller

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for feeding granular solids into metal melts
- Patent number 6,379,415
- Issue date Apr 30, 2002
- Stein - Industrie-Anlagen Inh. Christel Stein
- Lutz Garten
- B22 - CASTING POWDER METALLURGY