Manfred Arno Alfred Lupke

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Thornhill, CA

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Patents Grantslast 30 patents

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Device for manufacturing a double-walled thermoplastic pipe with a...
- Patent number 7,214,051
- Issue date May 8, 2007
- Manfred Arno Alfred Lupke
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL