Alcan Rorschach AG

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Rorschach, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a closure unit made of sheet metal or plati...
- Patent number 5,020,955
- Issue date Jun 4, 1991
- Alcan Rorschach AG
- Horst Zumsteg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Closure unit made of sheet metal or plating, method of manufacturin...
- Patent number 4,915,254
- Issue date Apr 10, 1990
- Alcan Rorschach AG
- Horst Zumsteg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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