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Priority to JP3555570ApriorityCriticalpatent/JPS493163B1/ja
Priority to US48980Aprioritypatent/US3628300A/en
Priority to FR7114771Aprioritypatent/FR2092094B1/fr
Priority to DE19712120340prioritypatent/DE2120340C3/de
Publication of JPS493163B1publicationCriticalpatent/JPS493163B1/ja