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Individual
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Individual
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Priority to ES96718UpriorityCriticalpatent/ES96718U/en
Publication of ES96718UpublicationCriticalpatent/ES96718U/en
Continuous closure under pressure, applicable to plastic bags, which is characterized by two identical strips of consistent material, in each of which are provided a series of holes arranged in continuous linear form, both having their lower part of a smaller thickness to serve as a seat to the edges of the plastic bag, which is adhered by welding. (Machine-translation by Google Translate, not legally binding)
ES96718U1962-12-181962-12-18Continuous pressure closure applicable to plastic bags (Machine-translation by Google Translate, not legally binding)
PendingES96718U
(en)