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Individual
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Individual
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Priority to ES127809ApriorityCriticalpatent/ES127809A1/en
Publication of ES127809A1publicationCriticalpatent/ES127809A1/en
ES127809A1932-09-061932-09-06
A process for obtaining bands of paper, cardboard or the like, covered on both sides with metal sheets.
ExpiredES127809A1
(en)
A procedure that on a product composed of a sheet or coil of cardboard or paper covered on one or both sides by a metal sheet that can be aluminum, lead, etc.