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METALURGICA IND SOC ANENIMA
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METALURGICA IND SOC ANENIMA
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Application filed by METALURGICA IND SOC ANENIMAfiledCriticalMETALURGICA IND SOC ANENIMA
Priority to ES0295143ApriorityCriticalpatent/ES295143A2/en
Publication of ES295143A2publicationCriticalpatent/ES295143A2/en
Improvements in the object of the main patent No. 265692 by "Improvements in the injector units of lubricating fluids", characterized essentially by forming on the side surface of the fixed piston, an annular groove in which an O-ring is fitted whose diameter external, once assembled is greater than the internal one of the mobile pump cylinder, so that it adjusts slidingly and hermetically with the inner surface thereof. (Machine-translation by Google Translate, not legally binding)
ES0295143A1963-12-281963-12-28Improvements in injectors of lubricating fluids (Machine-translation by Google Translate, not legally binding)
ExpiredES295143A2
(en)