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Priority to JP1977030383UpriorityCriticalpatent/JPS6235086Y2/ja
Publication of JPS53126633UpublicationCriticalpatent/JPS53126633U/ja
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Publication of JPS6235086Y2publicationCriticalpatent/JPS6235086Y2/ja
Optical apparatus for selectively producing rippled message images in areas of specular surfaced photoplastic film and erasing such images from such areas for reuse