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 JP2886683UpriorityCriticalpatent/JPS59135316U/ja
Priority to GB08423096Aprioritypatent/GB2143902B/en
Priority to US06/650,634prioritypatent/US4598790A/en
Priority to PCT/JP1984/000013prioritypatent/WO1984002954A1/ja
Publication of JPS59135316UpublicationCriticalpatent/JPS59135316U/ja
Application grantedgrantedCritical
Publication of JPH0122891Y2publicationCriticalpatent/JPH0122891Y2/ja