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Individual
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Priority to ES0012558UpriorityCriticalpatent/ES12558U/en
Publication of ES12558UpublicationCriticalpatent/ES12558U/en
An antiobstructor of removes and put for drainage pipes constituted preferably by a wire of any section wound in the shape of conical spiral whose passage between turns is the appropriate one in accordance with its purpose, under the circumstance that the diameter of the greater turn corresponds approximately with the diameter of the pipe in the lower part of its embouchure remaining in that suspended or fixed by the expansion of the said greater coil acting as a spring. (Machine-translation by Google Translate, not legally binding)
ES0012558U1946-01-291946-01-29Removing and placing pipe pusher for pipes and drains (Machine-translation by Google Translate, not legally binding)
PendingES12558U
(en)