Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co LtdfiledCriticalToppan Printing Co Ltd
Priority to JP3028779ApriorityCriticalpatent/JPS55122381A/ja
Publication of JPS55122381ApublicationCriticalpatent/JPS55122381A/ja
Publication of JPS6155755B2publicationCriticalpatent/JPS6155755B2/ja