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Priority to JP47069231ApriorityCriticalpatent/JPS4927825A/ja
Priority to US00353950Aprioritypatent/US3831073A/en
Priority to GB1995573Aprioritypatent/GB1438511A/en
Priority to DE2321650Aprioritypatent/DE2321650C3/de
Publication of JPS4927825ApublicationCriticalpatent/JPS4927825A/ja