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Individual
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Individual
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Priority to ES89208ApriorityCriticalpatent/ES89208A1/es
Publication of ES89208A1publicationCriticalpatent/ES89208A1/es
ES89208A1924-04-221924-04-22Bóveda suspendida refractaria para hogar mecánico y particularmente para cámara de combustión de carbón pulverizado.
ExpiredES89208A1
(es)