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Individual
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Priority to ES0054018UpriorityCriticalpatent/ES54018U/en
Publication of ES54018UpublicationCriticalpatent/ES54018U/en
TOYS TO FORM SAND BRIQUETTES, which is characterized by being essentially formed by a hollow rectangular body in whose upper part is coupled a mobile rod, driving a planchette as a plunger in order to expel the load of sand when pressure is exerted on the head of the rod, which is constantly maintained in its highest position thanks to an extension spring disposed for this purpose between the head of the rod and the external upper surface of the hollow body. (Machine-translation by Google Translate, not legally binding)
ES0054018U1956-05-031956-05-03Toy for lining sand briquettes (Machine-translation by Google Translate, not legally binding)
PendingES54018U
(en)