Helmut Kölker

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Munchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for simultaneously cutting off a multiplicity of...
- Patent number 6,295,977
- Issue date Oct 2, 2001
- Wacker-Chemie GmbH
- Bert Ripper
- B28 - WORKING CEMENT, CLAY, OR STONE