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Priority to JP3882768ApriorityCriticalpatent/JPS4841406B1/ja
Priority to FR6918567Aprioritypatent/FR2011017B1/fr
Priority to GB28688/69Aprioritypatent/GB1206907A/en
Priority to DE1928603Aprioritypatent/DE1928603C2/de
Priority to US00208444Aprioritypatent/US3773501A/en
Publication of JPS4841406B1publicationCriticalpatent/JPS4841406B1/ja