Bruno Hirschberg

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A-1120 Wien, AT

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Patents Grantslast 30 patents

Information Patent Grant
Metallurgical vessel and method of making the refractory lining of...
- Patent number 5,340,088
- Issue date Aug 23, 1994
- Veitscher Magnesitwerke-Actien-Gesellschaft
- Gerhard Madritsch
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Electric arc oven for treating molten metals with a gas and a proce...
- Patent number 5,067,693
- Issue date Nov 26, 1991
- Etienne Lepoutre
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory gas permeable structural unit
- Patent number 4,378,106
- Issue date Mar 29, 1983
- Arbed S.A.
- Bruno Hirschberg
- B22 - CASTING POWDER METALLURGY