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Priority to JP11018975ApriorityCriticalpatent/JPS5233846A/ja
Publication of JPS5233846ApublicationCriticalpatent/JPS5233846A/ja
Publication of JPS5521111B2publicationCriticalpatent/JPS5521111B2/ja
JP11018975A1975-09-111975-09-11Process for forming on electromagnetic steel surface insulator coating superior in punchhworkability and weldability
GrantedJPS5233846A
(en)