E.K. Wolff

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Herdecke, DE

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Patents Applicationslast 30 patents

Information Patent Application
Method for the production of a flexible bulk-material container and...
- Publication number 20050041893
- Publication date Feb 24, 2005
- Siegfried Hartmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method for laser welding plastic parts
- Publication number 20050000641
- Publication date Jan 6, 2005
- Siegfried Hartmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR