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Application filedfiledCritical
Priority to JP7919872UpriorityCriticalpatent/JPS537456Y2/ja
Priority to GB3155373Aprioritypatent/GB1420684A/en
Priority to DE19732334253prioritypatent/DE2334253C3/de
Priority to US00376388Aprioritypatent/US3842541A/en
Priority to FR7324725Aprioritypatent/FR2192596A5/fr
Publication of JPS4939117UpublicationCriticalpatent/JPS4939117U/ja
Application grantedgrantedCritical
Publication of JPS537456Y2publicationCriticalpatent/JPS537456Y2/ja