Jean-Pierre Barthel

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Oberanven, LU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for coupling a metallurgical ladle to a gas supply
- Patent number 4,883,259
- Issue date Nov 28, 1989
- Paul Wurth S.A.
- Hubert Stomp
- B22 - CASTING POWDER METALLURGY