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发明名称
PERMANENT MAGNET AND MAKING METHOD THEREOF
摘要
申请公布号
KR930002559(B1)
申请公布日期
1993.04.03
申请号
KR19870009551
申请日期
1987.08.31
申请人
SEIKO EPSON CO., LTD.
发明人
AKIOKA, KOJI;KOBAYASHI, OSAMU;SHIMODA, TATSUYA
分类号
H01F1/057;(IPC1-7):H01F1/04
主分类号
H01F1/057
代理机构
代理人
主权项
地址
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