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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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
Priority claimed from JP2172931Aexternal-prioritypatent/JP2821006B2/en
Priority claimed from JP2172929Aexternal-prioritypatent/JP2818473B2/en
Priority claimed from JP02172930Aexternal-prioritypatent/JP3091201B2/en
Priority claimed from JP2196511Aexternal-prioritypatent/JP2818477B2/en
Application filed by NGK Insulators LtdfiledCriticalNGK Insulators Ltd
Publication of AU7941791ApublicationCriticalpatent/AU7941791A/en
Application grantedgrantedCritical
Publication of AU654490B2publicationCriticalpatent/AU654490B2/en
Publication of AU654490CpublicationCriticalpatent/AU654490C/en
AU79417/91A1990-06-291991-06-27Resistance adjusting type heater, catalytic converter and method of controlling automotive exhaust emissions
CeasedAU654490C
(en)