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.)
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 filedfiledCritical
Priority to JP1986187321UpriorityCriticalpatent/JPH0537725Y2/ja
Priority to CA000553108Aprioritypatent/CA1304330C/en
Priority to US07/127,278prioritypatent/US4846497A/en
Publication of JPS6394068UpublicationCriticalpatent/JPS6394068U/ja
Application grantedgrantedCritical
Publication of JPH0537725Y2publicationCriticalpatent/JPH0537725Y2/ja
