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CONTET CHARLES
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Priority to ES20407ApriorityCriticalpatent/ES20407A1/es
Publication of ES20407A1publicationCriticalpatent/ES20407A1/es
ES20407A1897-02-191897-02-19Mejoras en las placas con intersticios o aberturas llamadas separadoras para las prensas hidráulicas.
ExpiredES20407A1
(es)
Mejoras introducidas en las planchas de cemento para techumbres con muesca y espiga en los filetes de cubrición como también por la prensa indispensable para su fabricación.