Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Kholmann Schade Hermann
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Kholmann Schade Hermann
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Priority to ES221002ApriorityCriticalpatent/ES221002A1/es
Publication of ES221002A1publicationCriticalpatent/ES221002A1/es
ES221002A1955-03-301955-03-30Perfeccionamientos en la construccion de caperuzas de desnieble y de recuperacion de calor producido durante el trabajo
ExpiredES221002A1
(es)