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 JP8792381UpriorityCriticalpatent/JPS6111502Y2/ja
Priority to DE19823217887prioritypatent/DE3217887A1/de
Priority to US06/378,180prioritypatent/US4440134A/en
Priority to GB8214148Aprioritypatent/GB2099078B/en
Publication of JPS57200666UpublicationCriticalpatent/JPS57200666U/ja
Application grantedgrantedCritical
Publication of JPS6111502Y2publicationCriticalpatent/JPS6111502Y2/ja