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Priority to JP1977093058UpriorityCriticalpatent/JPS6114288Y2/ja
Priority to US05/841,362prioritypatent/US4195242A/en
Priority to DE2747939Aprioritypatent/DE2747939C2/de
Priority to CA289,833Aprioritypatent/CA1071681A/en
Priority to FR7732738Aprioritypatent/FR2389252A1/fr
Publication of JPS5420305UpublicationCriticalpatent/JPS5420305U/ja
Application grantedgrantedCritical
Publication of JPS6114288Y2publicationCriticalpatent/JPS6114288Y2/ja