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Priority to JP1681677UpriorityCriticalpatent/JPS6115603Y2/ja
Priority to US05/876,245prioritypatent/US4223287A/en
Priority to DE19782805964prioritypatent/DE2805964A1/de
Priority to FR7804143Aprioritypatent/FR2380646B1/fr
Publication of JPS53112351UpublicationCriticalpatent/JPS53112351U/ja
Application grantedgrantedCritical
Publication of JPS6115603Y2publicationCriticalpatent/JPS6115603Y2/ja