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Priority to JP1985102100UpriorityCriticalpatent/JPS622557Y2/ja
Publication of JPS6163192UpublicationCriticalpatent/JPS6163192U/ja
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Publication of JPS622557Y2publicationCriticalpatent/JPS622557Y2/ja
Procede de mesure de la marche ou de l'ecart de frequence d'une piece d'horlogerie a quartz et appareil de mesure pour la mise en oeuvre de ce procede.