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Publication date
Application filedfiledCritical
Priority to JP1975008701UpriorityCriticalpatent/JPS5513976Y2/ja
Priority to US05/605,810prioritypatent/US3999146A/en
Priority to DE19752537569prioritypatent/DE2537569C2/de
Publication of JPS5190770UpublicationCriticalpatent/JPS5190770U/ja
Application grantedgrantedCritical
Publication of JPS5513976Y2publicationCriticalpatent/JPS5513976Y2/ja