Jean-Louis Roche

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Saint-Privat, FR

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Patents Grantslast 30 patents

Information Patent Grant
Dry-operated rotary composting toilet
- Patent number 5,289,595
- Issue date Mar 1, 1994
- Centre d'Experimentation et de Documentation sur les Energies Renouvelables
- Jean-Louis Roche
- C05 - FERTILISERS MANUFACTURE THEREOF