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Priority to JP6253981UpriorityCriticalpatent/JPS6136966Y2/ja
Publication of JPS57175116UpublicationCriticalpatent/JPS57175116U/ja
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Publication of JPS6136966Y2publicationCriticalpatent/JPS6136966Y2/ja
Illuminating apparatus with a light control channel for photographic enlarging equipment with a rotatable picture stage in the plane of the negative to be copied