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Priority to JP2313271UpriorityCriticalpatent/JPS5042884Y2/ja
Priority to FR7146825Aprioritypatent/FR2120928A5/fr
Priority to DE19712164771prioritypatent/DE2164771C3/de
Priority to GB6055071Aprioritypatent/GB1321393A/en
Publication of JPS4717009UpublicationCriticalpatent/JPS4717009U/ja
Application grantedgrantedCritical
Publication of JPS5042884Y2publicationCriticalpatent/JPS5042884Y2/ja