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Application filedfiledCritical
Priority to JP1975130623UpriorityCriticalpatent/JPS5525681Y2/ja
Priority to US05/716,649prioritypatent/US4094070A/en
Priority to CH1168476Aprioritypatent/CH595612A5/xx
Priority to DE2642594Aprioritypatent/DE2642594C3/de
Publication of JPS5243457UpublicationCriticalpatent/JPS5243457U/ja
Application grantedgrantedCritical
Publication of JPS5525681Y2publicationCriticalpatent/JPS5525681Y2/ja