Jean Piret

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Boulogne-Billancourt, FR

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Patents Grantslast 30 patents

Information Patent Grant
Transmission with variator
- Patent number 4,294,137
- Issue date Oct 13, 1981
- Regie Nationale Des Usines Renault
- Jean Piret
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic control device for automatic change-speed transmissions
- Patent number 4,030,381
- Issue date Jun 21, 1977
- Regie Nationale des Usines Renault
- Andre Lalin
- B60 - VEHICLES IN GENERAL