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Manfred Berndt
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Krefeld, DE
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last 30 patents
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Patent Grant
Refractory joint packing for an annular gap in a metallurgical vessel
Patent number
5,249,811
Issue date
Oct 5, 1993
Didier-Werke AG
Raimund Bruckner
B22 - CASTING POWDER METALLURGY
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Patent Grant
Flow starting tube for initiating the flow of molten material from...
Patent number
5,097,995
Issue date
Mar 24, 1992
Stopinc Aktiengesellschaft
Clemens Zybok
B22 - CASTING POWDER METALLURGY