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.)
KATSUKO SHINODA and YASUYUKI TSUBOI TOSHIMITSU TAKANORI
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Filing date
Publication date
Priority claimed from JP1971084092Uexternal-prioritypatent/JPS5041511Y2/ja
Application filed by NGK Insulators LtdfiledCriticalNGK Insulators Ltd
Application grantedgrantedCritical
Publication of AU4675872ApublicationCriticalpatent/AU4675872A/en
Publication of AU440294B2publicationCriticalpatent/AU440294B2/en