ES242826A3 - A perfection in the manufacture of polyethylene tubes for irrigation (Machine-translation by Google Translate, not legally binding)
- Google Patents
A perfection in the manufacture of polyethylene tubes for irrigation (Machine-translation by Google Translate, not legally binding)
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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PIRELLI PLAST SOCIETR PER AZIO
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PIRELLI PLAST SOCIETR PER AZIO
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Priority to ES0242826ApriorityCriticalpatent/ES242826A3/en
Publication of ES242826A3publicationCriticalpatent/ES242826A3/en
An improvement in the manufacture of polyethylene pipes for irrigation, of the thin-walled and crushed type, consisting of having in the same holes suitable for water distribution, with the edge thereof reinforced by metal eyelets with polyethylene washers. (Machine-translation by Google Translate, not legally binding)
ES0242826A1958-06-141958-06-14A perfection in the manufacture of polyethylene tubes for irrigation (Machine-translation by Google Translate, not legally binding)
ExpiredES242826A3
(en)
A procedure for the protection and reinforcement of tubes or canillas, employed in spin or for other uses (Machine-translation by Google Translate, not legally binding)