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Mercamundial S A
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Mercamundial S A
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Priority to ES1971168178UpriorityCriticalpatent/ES168178Y/en
Publication of ES168178UpublicationCriticalpatent/ES168178U/en
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Publication of ES168178YpublicationCriticalpatent/ES168178Y/en
Investigating Or Analysing Materials By The Use Of Chemical Reactions
(AREA)
Abstract
Improved clock, being of the type of those that present a window practiced in a point of the sphere, through whose window the numbers that ordinally define the days of each month appear, it is characterized essentially because the first seven numbers appear on a background of green color, appearing the following eleven on a red background and the rest until the end of the month again in green, all in order to monitor the fertile periods of the woman. (Machine-translation by Google Translate, not legally binding)