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Priority to JP10185272ApriorityCriticalpatent/JPS5143431B2/ja
Priority to US00321849Aprioritypatent/US3848840A/en
Priority to DE2300731Aprioritypatent/DE2300731C3/de
Publication of JPS4958995ApublicationCriticalpatent/JPS4958995A/ja
Publication of JPS5143431B2publicationCriticalpatent/JPS5143431B2/ja