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Priority to ES0336422ApriorityCriticalpatent/ES336422A1/en
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
IMPROVEMENTS IN THE WRITING MACHINES that are characterized by the addition of a set formed by the following elements: manual controls; complementary roller; hosting organs of various devices; four plates, of which three are fixed, and the other mobile; five lashes for fixing the sheets; two levers; two axles equipped with crazy bearings; Interlineation levers and fastening elements to the main carriage. (Machine-translation by Google Translate, not legally binding)
ES0336422A1967-02-041967-02-04Improvements in writing machines. (Machine-translation by Google Translate, not legally binding)
ExpiredES336422A1
(en)
Improvements introduced in the manufacture of bodies of iron sheets stacked of construction as a frame, especially for electrical transformers (Machine-translation by Google Translate, not legally binding)