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Ingolf Doose
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Stade, DE
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last 30 patents
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Patent Grant
Method of and apparatus for producing corrugated sheet with plane-p...
Patent number
5,632,180
Issue date
May 27, 1997
Umformtechnik Stade GmbH
Ingolf Doose
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of and apparatus for the shaping of stainless steel membrane...
Patent number
5,490,407
Issue date
Feb 13, 1996
Umformtechnik Stade GmbH
Ingolf Doose
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...