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 JP10642575UpriorityCriticalpatent/JPS5550827Y2/ja
Priority to US05/708,898prioritypatent/US4101946A/en
Priority to CA257,844Aprioritypatent/CA1073550A/en
Publication of JPS5220224UpublicationCriticalpatent/JPS5220224U/ja
Application grantedgrantedCritical
Publication of JPS5550827Y2publicationCriticalpatent/JPS5550827Y2/ja
