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Priority to JP6624369ApriorityCriticalpatent/JPS4820713B1/ja
Priority to US35199Aprioritypatent/US3635664A/en
Priority to GB22632/70Aprioritypatent/GB1271891A/en
Priority to DE19702027018prioritypatent/DE2027018A1/de
Publication of JPS4820713B1publicationCriticalpatent/JPS4820713B1/ja