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.)
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Publication date
Application filedfiledCritical
Priority to JP1979125248UpriorityCriticalpatent/JPS5746615Y2/ja
Priority to DE19803033323prioritypatent/DE3033323A1/de
Priority to DE3051177Aprioritypatent/DE3051177C2/de
Publication of JPS5643165UpublicationCriticalpatent/JPS5643165U/ja
Application grantedgrantedCritical
Publication of JPS5746615Y2publicationCriticalpatent/JPS5746615Y2/ja
Priority to US06/537,161prioritypatent/US4547830A/en
