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Priority to JP14558480UpriorityCriticalpatent/JPS6029163Y2/ja
Priority to GB8130749Aprioritypatent/GB2085223B/en
Priority to DE3140434Aprioritypatent/DE3140434C2/de
Priority to IT8124466Aprioritypatent/IT1139525B/it
Priority to US06/310,818prioritypatent/US4378544A/en
Publication of JPS5767363UpublicationCriticalpatent/JPS5767363U/ja
Application grantedgrantedCritical
Publication of JPS6029163Y2publicationCriticalpatent/JPS6029163Y2/ja