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Priority to ES1968142019UpriorityCriticalpatent/ES142019Y/en
Publication of ES142019UpublicationCriticalpatent/ES142019U/en
Application grantedgrantedCritical
Publication of ES142019YpublicationCriticalpatent/ES142019Y/en
Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes
(AREA)
Abstract
New class of corrugated cardboard, which being of the type that constitutes the utility model 85.329, of the applicant itself, essentially is characterized because either on the grooved surface of the cardboard, either on the smooth side thereof, or on both sides simultaneously, it is it has a sheet of plastic material properly attached. (Machine-translation by Google Translate, not legally binding)
ES1968142019U1968-10-041968-10-04
NEW KIND OF CORRUGATED CARDBOARD.
ExpiredES142019Y
(en)