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Application filedfiledCritical
Priority to JP3108976UpriorityCriticalpatent/JPS5744467Y2/ja
Priority to DE19772709487prioritypatent/DE2709487A1/de
Publication of JPS52124188UpublicationCriticalpatent/JPS52124188U/ja
Priority to US06/161,911prioritypatent/US4306229A/en
Application grantedgrantedCritical
Publication of JPS5744467Y2publicationCriticalpatent/JPS5744467Y2/ja