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Priority to JP5808471ApriorityCriticalpatent/JPS5424665B2/ja
Priority to US00271308Aprioritypatent/US3841753A/en
Priority to DE2237761Aprioritypatent/DE2237761A1/de
Publication of JPS4825538ApublicationCriticalpatent/JPS4825538A/ja
Publication of JPS5424665B2publicationCriticalpatent/JPS5424665B2/ja