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.)
Asahi Kasei Corp
Neturen Co Ltd
Koshuha Netsuren KK
Asahi Chemical Industry Co Ltd
Hiraoka Metal Industrial Co Ltd
Original Assignee
Neturen Co Ltd
Koshuha Netsuren KK
Asahi Chemical Industry Co Ltd
Hiraoka Metal Industrial Co Ltd
Asahi Kasei Kogyo KK
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 Neturen Co Ltd, Koshuha Netsuren KK, Asahi Chemical Industry Co Ltd, Hiraoka Metal Industrial Co Ltd, Asahi Kasei Kogyo KKfiledCriticalNeturen Co Ltd
Priority to JP17311980ApriorityCriticalpatent/JPS5797879A/ja
Publication of JPS5797879ApublicationCriticalpatent/JPS5797879A/ja
Publication of JPS6311112B2publicationCriticalpatent/JPS6311112B2/ja