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Priority to JP2185772ApriorityCriticalpatent/JPS5434326B2/ja
Publication of JPS4931331ApublicationCriticalpatent/JPS4931331A/ja
Publication of JPS5434326B2publicationCriticalpatent/JPS5434326B2/ja
Schwimmender optischer Abtastkopf, der integral mit einer Lichtquelle und einem Photodetektor ausgebildet ist, und optisches Plattengerät mit einem solchen