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Priority to JP8694972ApriorityCriticalpatent/JPS5314974B2/ja
Priority to DE19732342678prioritypatent/DE2342678A1/de
Priority to US393177Aprioritypatent/US3889372A/en
Publication of JPS4943753ApublicationCriticalpatent/JPS4943753A/ja
Publication of JPS5314974B2publicationCriticalpatent/JPS5314974B2/ja