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Franz E. Schilling
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Kempen, DE
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last 30 patents
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Patent Grant
Manufacturing method for hollow cast product with bottom
Patent number
4,785,871
Issue date
Nov 22, 1988
Kubota Ltd.
Shiro Nakamura
B22 - CASTING POWDER METALLURGY
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Patent Grant
Mold and manufacturing method for hollow cast product with bottom
Patent number
4,729,419
Issue date
Mar 8, 1988
Kubota Ltd.
Shiro Nakamura
B22 - CASTING POWDER METALLURGY