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Individual
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Individual
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Priority to ES0026289UpriorityCriticalpatent/ES26289Y/en
Publication of ES26289UpublicationCriticalpatent/ES26289U/en
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Publication of ES26289YpublicationCriticalpatent/ES26289Y/en
Piston for liquid meters, characterized in that it is constituted by a nucleus of translucent, opaque or semi-opaque thermoplastic material, which has the shape of two trunks of cone, joined by their smaller bases and presents in their upper and lower part the housings for aluminum discs of trapezoidal section that fit into said core, the assembly forming two edges or rings of contact with the walls of the tank in which the piston moves and holding the three parts mentioned by the shank of the stem that crosses them through its center and screw in them. (Machine-translation by Google Translate, not legally binding)
ES0026289U1951-03-291951-03-29
Piston for liquid meters
ExpiredES26289Y
(en)