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Priority to JP7632175ApriorityCriticalpatent/JPS52455A/ja
Publication of JPS52455ApublicationCriticalpatent/JPS52455A/ja
Publication of JPS5741682B2publicationCriticalpatent/JPS5741682B2/ja
JP7632175A1975-06-211975-06-21Method of correcting heeling error of a magnetic compass and magnetic measuring instrumet for use in said method
GrantedJPS52455A
(en)