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Priority to JP5748272UpriorityCriticalpatent/JPS526511Y2/ja
Publication of JPS4917660UpublicationCriticalpatent/JPS4917660U/ja
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Publication of JPS526511Y2publicationCriticalpatent/JPS526511Y2/ja
Device for recording information in symbolic format on photosensitive material by optical beam means and optical beam oscillograph applying same device
Device for recording information in symbolic format on photosensitive material by optical beam means and optical beam oscillograph applying same device