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Individual
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Individual
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Priority to ES1972185804UpriorityCriticalpatent/ES185804Y/en
Publication of ES185804UpublicationCriticalpatent/ES185804U/en
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Publication of ES185804YpublicationCriticalpatent/ES185804Y/en
Adjustable stopper, formed by a handle or handle, preferably divided into two symmetrical parts characterized by having, on one of its ends, a slight widening, internally regletado on the flanks, topped in bilateral mouths for guidance and exit a closed strip in the form of a loop, which constitutes the flange means and whose ends are fixed in a threaded ceiling in longitudinal and axial spindle housed inside the body, which is guided in a notched or immobilized sheave at the opposite end and which is topped in a knob of handling or manipulation in order to establish the regulation, maximum or minimum, of the projections of said loop, in order to embrace plugs for its unblocking. (Machine-translation by Google Translate, not legally binding)