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.)
Nihon Kentetsu Co Ltd
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Nihon Kentetsu 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 Asahi Glass Co Ltd, Nihon Kentetsu Co LtdfiledCriticalAsahi Glass Co Ltd
Priority to JP23200482ApriorityCriticalpatent/JPS59122652A/ja
Publication of JPS59122652ApublicationCriticalpatent/JPS59122652A/ja
Publication of JPH0329936B2publicationCriticalpatent/JPH0329936B2/ja