J. C. Hugueny

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Ormesson, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of butt-welding two plastic parts with an identifying code,...
- Patent number 5,620,625
- Issue date Apr 15, 1997
- Gaz de France (Service National)
- Jean Sauron
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL