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 JP1105781UpriorityCriticalpatent/JPS6330234Y2/ja
Priority to GB8201898Aprioritypatent/GB2093287B/en
Priority to US06/341,626prioritypatent/US4438378A/en
Priority to DE3202912Aprioritypatent/DE3202912C2/de
Publication of JPS57127592UpublicationCriticalpatent/JPS57127592U/ja
Application grantedgrantedCritical
Publication of JPS6330234Y2publicationCriticalpatent/JPS6330234Y2/ja