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 JP1978059940UpriorityCriticalpatent/JPS6215580Y2/ja
Priority to US06/186,023prioritypatent/US4489759A/en
Priority to DE2948818Tprioritypatent/DE2948818C1/de
Priority to PCT/JP1979/000102prioritypatent/WO1979001016A1/ja
Priority to GB7936804Aprioritypatent/GB2036915B/en
Priority to EP79900480Aprioritypatent/EP0014217B1/en
Publication of JPS54171518UpublicationCriticalpatent/JPS54171518U/ja
Application grantedgrantedCritical
Publication of JPS6215580Y2publicationCriticalpatent/JPS6215580Y2/ja