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.)
Panasonic Electric Works Co Ltd
Nippon Steel Corp
Takenaka Komuten Co Ltd
Original Assignee
Nippon Steel Corp
Takenaka Komuten Co Ltd
Matsushita Electric Works 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 Nippon Steel Corp, Takenaka Komuten Co Ltd, Matsushita Electric Works LtdfiledCriticalNippon Steel Corp
Priority to JP11214176ApriorityCriticalpatent/JPS5338113A/ja
Publication of JPS5338113ApublicationCriticalpatent/JPS5338113A/ja
Publication of JPS548004B2publicationCriticalpatent/JPS548004B2/ja