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Priority to JP1836269ApriorityCriticalpatent/JPS5317637B1/ja
Priority to US00018591Aprioritypatent/US3753951A/en
Priority to GB1172770Aprioritypatent/GB1304274A/en
Priority to DE19702011843prioritypatent/DE2011843A1/de
Publication of JPS5317637B1publicationCriticalpatent/JPS5317637B1/ja