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Priority to JP323372ApriorityCriticalpatent/JPS5749762B2/ja
Priority to CA160,264Aprioritypatent/CA971459A/en
Priority to GB6005872Aprioritypatent/GB1421184A/en
Priority to DE19722264091prioritypatent/DE2264091A1/de
Publication of JPS4873823ApublicationCriticalpatent/JPS4873823A/ja
Publication of JPS5749762B2publicationCriticalpatent/JPS5749762B2/ja