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Soc General De Industria Y Comercio
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Soc General De Industria Y Comercio
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Publication date
Application filed by Soc General De Industria Y ComerciofiledCriticalSoc General De Industria Y Comercio
Priority to ES49369ApriorityCriticalpatent/ES49369A1/en
Publication of ES49369A1publicationCriticalpatent/ES49369A1/en
ES49369A1910-12-011910-12-01
A mechanical extraction procedure for superphosphate vats or pits by means of the apparatus described.
ExpiredES49369A1
(en)