ES336220A3 - Perfeccionamientos en los dispositivos para la obtencion economica de clises hectograficos o de fotocopias por procedimiento termico.
- Google Patents
Perfeccionamientos en los dispositivos para la obtencion economica de clises hectograficos o de fotocopias por procedimiento termico.
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Paul Durand auguste
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Paul Durand auguste
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Priority to ES0336220ApriorityCriticalpatent/ES336220A3/es
Publication of ES336220A3publicationCriticalpatent/ES336220A3/es
ES0336220A1967-01-181967-01-18Perfeccionamientos en los dispositivos para la obtencion economica de clises hectograficos o de fotocopias por procedimiento termico.
ExpiredES336220A3
(es)