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USINES DU PIED SELLE SOC D
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USINES DU PIED SELLE SOC D
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B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
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FR675096D1928-10-021928-10-02
Process for the separation of two materials of different densities
ExpiredFR675096A
(en)