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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Individual
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Individual
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Priority to ES0251621ApriorityCriticalpatent/ES251621A1/en
Publication of ES251621A1publicationCriticalpatent/ES251621A1/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Procedure for obtaining perforated-corrugated sheet, which is characterized as the first operation is based on sheets of any material and size, which are drilled in a punching machine with variable drafts. (Machine-translation by Google Translate, not legally binding)
ES0251621A1959-08-191959-08-19Procedure for obtaining perforated-rolled sheet (Machine-translation by Google Translate, not legally binding)
ExpiredES251621A1
(en)