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 JP11257279UpriorityCriticalpatent/JPS6224058Y2/ja
Priority to US06/158,471prioritypatent/US4286785A/en
Priority to GB8025364Aprioritypatent/GB2055591B/en
Publication of JPS5631667UpublicationCriticalpatent/JPS5631667U/ja
Application grantedgrantedCritical
Publication of JPS6224058Y2publicationCriticalpatent/JPS6224058Y2/ja