Ulrich Hintzen

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Taunusstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Closing and/or regulating apparatus for tapping molten metal from a...
- Patent number 5,058,784
- Issue date Oct 22, 1991
- Didier-Werke AG
- Ulrich Hintzen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory shapes of ceramic fiber-containing material
- Patent number 4,737,326
- Issue date Apr 12, 1988
- Didier-Werke AG
- Ludwig Wirth
- B28 - WORKING CEMENT, CLAY, OR STONE