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Priority to JP4010872ApriorityCriticalpatent/JPS493662A/ja
Priority to GB1077173Aprioritypatent/GB1414864A/en
Priority to US34438873prioritypatent/US3861990A/en
Priority to FR7310902Aprioritypatent/FR2178032A1/fr
Publication of JPS493662ApublicationCriticalpatent/JPS493662A/ja