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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0028735UpriorityCriticalpatent/ES28735Y/en
Publication of ES28735UpublicationCriticalpatent/ES28735U/en
Application grantedgrantedCritical
Publication of ES28735YpublicationCriticalpatent/ES28735Y/en
Weights-card constituted by a closed tube with two plugs screwed to their ends, which can be suspended from the hand (or any suitable device) by means of a flexible external element attached to its upper base, and that inside it moves away a helical working spring, spring that is shorter than the tube, is hooked by its upper end to the upper base of the referred tube and is loosened by the lower of which in turn has suspended a rod that protrudes to the outside through of a loose hole in the lower base or bottom of the tube and from which hangs a clamp to hold the letter or lightweight note that you wish to weigh. (Machine-translation by Google Translate, not legally binding)