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LE COKE IND
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LE COKE IND
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Application filed by LE COKE INDfiledCriticalLE COKE IND
Priority to ES74412ApriorityCriticalpatent/ES74412A2/es
Publication of ES74412A2publicationCriticalpatent/ES74412A2/es
ES74412A1920-06-301920-06-30Un aparato para el escogido del cok de las escorias y la separación del carbón de los esquistos carboneros.
ExpiredES74412A2
(es)