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Priority to ES0043482UpriorityCriticalpatent/ES43482Y/en
Publication of ES43482UpublicationCriticalpatent/ES43482U/en
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Publication of ES43482YpublicationCriticalpatent/ES43482Y/en
An indicator of fecundity, characterized by being composed of two discoidal elements coupled together by their center with the possibility of rotation, the lower one comprising a periphery divided into seven lobes corresponding to the days of the week, and for each lobe it comprises a sector squared in the fact that some grids carry the indication of the day of the week, which are the days corresponding to fecundity, in relation to the day that heads the lobe, which corresponds to the day of the week in which the period begins. (Machine-translation by Google Translate, not legally binding)
ES0043482U1954-08-121954-08-12
An indicator of fertility
ExpiredES43482Y
(en)