Michael Hahn

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Lohmar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pipe connection with a connecting portion formed onto the pipe
- Patent number 6,431,613
- Issue date Aug 13, 2002
- Walterscheid Rohrverbindungstechnik GmbH
- Jörg Altenrath
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...