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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co LtdfiledCriticalNGK Spark Plug Co Ltd
Priority to JP3124584ApriorityCriticalpatent/JPS60204676A/ja
Priority to US06/702,736prioritypatent/US4608321A/en
Priority to EP85301124Aprioritypatent/EP0153191A3/en
Publication of JPS60204676ApublicationCriticalpatent/JPS60204676A/ja
Publication of JPH0328390B2publicationCriticalpatent/JPH0328390B2/ja
F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES