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.)
Daido Steel Co Ltd
Nippon Sheet Glass Co Ltd
Original Assignee
Daido Steel Co Ltd
Nippon Sheet Glass 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 Daido Steel Co Ltd, Nippon Sheet Glass Co LtdfiledCriticalDaido Steel Co Ltd
Priority to JP3997579ApriorityCriticalpatent/JPS55136135A/ja
Publication of JPS55136135ApublicationCriticalpatent/JPS55136135A/ja
Publication of JPS5757948B2publicationCriticalpatent/JPS5757948B2/ja