Kerstin Bottger

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Patents Grantslast 30 patents

Information Patent Grant
Surface element
- Patent number 6,083,857
- Issue date Jul 4, 2000
- Helsa-Werke Helmut Sandler GmbH & Co. KG
- Kerstin Bottger
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...