Ulrich Zillmann

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Muhlhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for extruding a plurality of composite sections
- Patent number 4,208,898
- Issue date Jun 24, 1980
- Swiss Aluminium Ltd.
- Adolf Ames
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...