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.)
Sumitomo Bakelite Co Ltd
Original Assignee
Sumitomo Bakelite 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 Sumitomo Bakelite Co LtdfiledCriticalSumitomo Bakelite Co Ltd
Priority to JP7014081ApriorityCriticalpatent/JPS57187311A/ja
Publication of JPS57187311ApublicationCriticalpatent/JPS57187311A/ja
Publication of JPS617211B2publicationCriticalpatent/JPS617211B2/ja