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Priority to JP3805376UpriorityCriticalpatent/JPS52129035U/ja
Priority to AU23583/77Aprioritypatent/AU493274B2/en
Priority to FR7709058Aprioritypatent/FR2345666A1/fr
Priority to DE19772713279prioritypatent/DE2713279C2/de
Publication of JPS52129035UpublicationCriticalpatent/JPS52129035U/ja