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Application filedfiledCritical
Priority to JP1977130545UpriorityCriticalpatent/JPS5752758Y2/ja
Priority to US05/923,196prioritypatent/US4212040A/en
Priority to DE2830319Aprioritypatent/DE2830319C3/de
Publication of JPS5458007UpublicationCriticalpatent/JPS5458007U/ja
Application grantedgrantedCritical
Publication of JPS5752758Y2publicationCriticalpatent/JPS5752758Y2/ja