Otto Welsing

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Hemer, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for continuous production of tubular bodies by...
- Patent number 4,827,099
- Issue date May 2, 1989
- Hoesch Aktiengesellschaft
- Rolf Krebs
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR