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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 JP1976089758UpriorityCriticalpatent/JPS5759709Y2/ja
Priority to US05/811,301prioritypatent/US4109766A/en
Priority to GB28135/77Aprioritypatent/GB1524007A/en
Priority to FR7720603Aprioritypatent/FR2357787A1/fr
Priority to DE2730338Aprioritypatent/DE2730338C2/de
Publication of JPS537587UpublicationCriticalpatent/JPS537587U/ja
Application grantedgrantedCritical
Publication of JPS5759709Y2publicationCriticalpatent/JPS5759709Y2/ja