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Winterthur, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Method for production of thin sections of reactive metals
Patent number
5,121,535
Issue date
Jun 16, 1992
Sulzer Bros. Ltd.
Jerome P. Wittenauer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Method for preventing web rewetting
Patent number
4,045,281
Issue date
Aug 30, 1977
Sulzer Bros. (U.K.) Limited
Eberhard Wassermann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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