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ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF THE SAME
ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF THE SAME
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机译:电钢板和制造方法相同
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摘要
An electrical steel sheet manufacturing method according to an embodiment of the present invention comprises the steps of manufacturing an electrical steel sheet substrate; And forming a phosphoric acid layer from the surface of the substrate to the inside of the substrate by using a pretreatment solution containing a metal phosphate.
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