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Rainer Hergemoeller
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Aachen, DE
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last 30 patents
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Patent Grant
Method for preparing a tubular blank having a thick wall for a foll...
Patent number
5,533,376
Issue date
Jul 9, 1996
Schumag AG
Walter Wetzels
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...