Societe Anonyme des Etablissements Ph. Bonvillan & E. Ronceray

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Choisy-le-Roi, FR

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Patents Grantslast 30 patents

Information Patent Grant
Mixer for different products and in particular for foundry sands
- Patent number 4,175,869
- Issue date Nov 27, 1979
- Societe Anonyme des Etablissements Ph. Bonvillan & E. Ronceray
- Henri A. Churlaud
- B22 - CASTING POWDER METALLURGY