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Individual
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Individual
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Priority to ES276061ApriorityCriticalpatent/ES276061A3/en
Publication of ES276061A3publicationCriticalpatent/ES276061A3/en
Improvements in the construction of marker devices, of the type comprising an ink tank and a head that adapts hermetically to the mouth of the latter, whose head comprises a protruding wick: to the outside, which constitutes the actual marker element, in accordance with which the tank is devoid of any impregnable packing, being located inside the head and in contact with the inner end of the wick, a spongy block, ready to be impregnated by the ink contained inside it, when opened a valve located between both elements. (Machine-translation by Google Translate, not legally binding)
ES276061A1962-03-221962-03-22Improvements in the construction of marker devices (Machine-translation by Google Translate, not legally binding)
ExpiredES276061A3
(en)