Bolko Wietrzynski

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Wilhelmshaven, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for resetting the printing head of a typewriter
- Patent number 4,618,275
- Issue date Oct 21, 1986
- Olympia Werke AG
- Gerhard Brinkmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS