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TVA HOLDINGS, LLC
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PACIFIC PALISADES, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process and apparatus for the controlled-pressure casting of molten...
Patent number
5,143,141
Issue date
Sep 1, 1992
TVA Holding S.p.A.
Claudio Frulla
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Chuck, particularly for machine tools
Patent number
4,838,561
Issue date
Jun 13, 1989
TVA Holding S.p.A.
Cesare Baranzelli
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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last 30 patents
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