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.)
Nippon Sheet Glass Co Ltd
Olympus Corp
Original Assignee
Nippon Sheet Glass Co Ltd
Olympus Corp
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 Sheet Glass Co Ltd, Olympus CorpfiledCriticalNippon Sheet Glass Co Ltd
Priority to JP13009979ApriorityCriticalpatent/JPS5654406A/ja
Publication of JPS5654406ApublicationCriticalpatent/JPS5654406A/ja
Publication of JPH0152726B2publicationCriticalpatent/JPH0152726B2/ja