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Individual
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Individual
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Priority to ES147486UpriorityCriticalpatent/ES147486U/en
Publication of ES147486UpublicationCriticalpatent/ES147486U/en
Telescopic tube coupling device, consisting essentially of a terminal widening of the inner end of each tube, which determines a stop surface with the narrowing normally provided by the tubes in its coupling mouth, whose widening is also provided with a series of longitudinal notches that determine as many open elastic temples, to adjust to friction inside the enclosing tube. (Machine-translation by Google Translate, not legally binding)
ES147486U1969-03-221969-03-22Coupling device for telescopic tubes (Machine-translation by Google Translate, not legally binding)
PendingES147486U
(en)