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Priority to JP18293081UpriorityCriticalpatent/JPS5888642U/ja
Publication of JPS5888642UpublicationCriticalpatent/JPS5888642U/ja
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Publication of JPS6143786Y2publicationCriticalpatent/JPS6143786Y2/ja
Automatic elevating mechanism for a paper feed platform of an automatic paper feed device for use with a photocopying machine, printing press, or the like