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Preetz, DE
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for acoustic supervision of adjustment operati...
Patent number
4,694,150
Issue date
Sep 15, 1987
Dr. Ing. Rudolf Hell GmbH
Joerg Schulz-Hennig
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for acoustic supervision of adjustment operati...
Patent number
4,694,152
Issue date
Sep 15, 1987
Dr. Ing. Rudolf Hell GmbH
Joerg Schulz-Hennig
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Multibeam scanning device for scanning a photosensitive material wi...
Publication number
20020135745
Publication date
Sep 26, 2002
Jorg-Achim Fischer
G02 - OPTICS