ES214932A1 - Improvements introduced in the construction of drain valves (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the construction of drain valves (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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CANCER ESANDI FRANCISCO
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CANCER ESANDI FRANCISCO
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Application filed by CANCER ESANDI FRANCISCOfiledCriticalCANCER ESANDI FRANCISCO
Priority to ES0214932ApriorityCriticalpatent/ES214932A1/en
Publication of ES214932A1publicationCriticalpatent/ES214932A1/en
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage
(AREA)
Underground Structures, Protecting, Testing And Restoring Foundations
(AREA)
Abstract
Improvements introduced in the construction of drain valves characterized by providing a central channel of comprehensive axial displacement of a spiral closing spring. (Machine-translation by Google Translate, not legally binding)
ES0214932A1954-04-231954-04-23Improvements introduced in the construction of drain valves (Machine-translation by Google Translate, not legally binding)
ExpiredES214932A1
(en)