ES12807A1 - Un nuevo lavador de velocidad y carrera de pistón variables, para el tratamiento de los minerales y la depuración de los carbones.
- Google Patents
Un nuevo lavador de velocidad y carrera de pistón variables, para el tratamiento de los minerales y la depuración de los carbones.
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Ravat Jean Francois
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Ravat Jean Francois
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ES12807A1891-12-211891-12-21Un nuevo lavador de velocidad y carrera de pistón variables, para el tratamiento de los minerales y la depuración de los carbones.
ExpiredES12807A1
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