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Priority to JP1976066048UpriorityCriticalpatent/JPS5534093Y2/ja
Priority to AU25228/77Aprioritypatent/AU511568B2/en
Priority to CA278,673Aprioritypatent/CA1065924A/en
Priority to FR7715855Aprioritypatent/FR2352975A1/fr
Publication of JPS52158271UpublicationCriticalpatent/JPS52158271U/ja
Priority to US05/921,284prioritypatent/US4135277A/en
Application grantedgrantedCritical
Publication of JPS5534093Y2publicationCriticalpatent/JPS5534093Y2/ja