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.)
Tomatec Co Ltd
Original Assignee
Tokan Material Technology 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 Tokan Material Technology Co LtdfiledCriticalTokan Material Technology Co Ltd
Priority to JP13107375ApriorityCriticalpatent/JPS5254715A/en
Publication of JPS5254715ApublicationCriticalpatent/JPS5254715A/en
Publication of JPS5425932B2publicationCriticalpatent/JPS5425932B2/ja