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Otto Wenger
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Zurich, CH
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last 30 patents
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Patent Grant
Arrangement for mounting a refractory plate in a frame
Patent number
4,763,881
Issue date
Aug 16, 1988
Metacon Aktiengesellschaft
Otto Wenger
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for preventing air from contacting molten metal during di...
Patent number
4,576,317
Issue date
Mar 18, 1986
Metacon Aktiengesellschaft
Otto Wenger
B22 - CASTING POWDER METALLURGY