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Priority to JP9670370ApriorityCriticalpatent/JPS5128713B1/ja
Priority to GB4906771Aprioritypatent/GB1321201A/en
Priority to DE19712152548prioritypatent/DE2152548C3/de
Priority to FR7137929Aprioritypatent/FR2113090A5/fr
Publication of JPS5128713B1publicationCriticalpatent/JPS5128713B1/ja