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Un tapón perfeccionado para tubos y frascos, que esencialmente consiste en una cápsula de paredes cilíndricas en su parte inferior y ligeramente cónicas en la parte superior y cuya base ligeramente convexa sobresale de las paredes de la misma, formando una pestaña que encaja en el borde del cuello del tubo o frasco a cerrar, y en cuya superficie quedan grabados dibujos o motivos alusivos al contenido del frasco o tubo, o simplemente con objeto de adornarlo.
ES0033988U1952-12-221952-12-22Tapón perfeccionado para tubos y frascos
ExpiredES33988Y
(es)