heir, Therese Groult

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Villeconin, FR

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Patents Grantslast 30 patents

Information Patent Grant
Antiabrasion curved shape and process for its manufacture
- Patent number 5,389,424
- Issue date Feb 14, 1995
- Institut Francais du Petrole
- Pierre Groult
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL