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VIVES ALVAREZ AGUSTIN
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VIVES ALVAREZ AGUSTIN
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Un dispositivo automático para la determinación de los períodos de fecundidad en la mujer, caracterizado por comprender una tabla de cálculo matriz, cuya grabación se efectúa sobre una superficie y próxima al mismo va dispuesta una numeración correlativa del 1 al 36 inclusive.
ES0064950U1959-07-051959-07-05Un dispositivo automático para la determinación de los periodos de fecundidad en la mujer
ExpiredES64950Y
(es)