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Priority to JP11300278UpriorityCriticalpatent/JPS606801Y2/ja
Priority to US05/949,745prioritypatent/US4285570A/en
Publication of JPS5529481UpublicationCriticalpatent/JPS5529481U/ja
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Publication of JPS606801Y2publicationCriticalpatent/JPS606801Y2/ja
Optical sensor having light guide members with characteristic detection portions whose optical charateristics vary in accordance with a physicochemical state
