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Priority to ES105268UpriorityCriticalpatent/ES105268Y/en
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Agricultural Chemicals And Associated Chemicals
(AREA)
Abstract
An apparatus for determining distances and distances essentially characterized by the arrangement of two circular planes that replace the charts and navigation which are linked by their central part with possibilities of rotation in any direction and disassembly to interchange between them. Discs by others with recordings of various coastal and coastal areas, these discs being equal to each other, one of them carrying a millimeter scale coordinate arrangement that covers the entire surface except for an annular perimeter zone to determine the most complete visualization of the sexagesimal graduation scale printed on the adjacent disc, extending one of the lines of the coordinates to the outer ring forming a reference point for the determination of the courses. (Machine-translation by Google Translate, not legally binding)
ES105268U1964-04-041964-04-04
Device for determining directions and distances
ExpiredES105268Y
(en)