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发明名称
摘要
申请公布号
JPS646258(B2)
申请公布日期
1989.02.02
申请号
JP19800150961
申请日期
1980.10.28
申请人
SEIKO DENSHI KOGYO KK
发明人
YAHAGI KATSUHIKO;ABE HIDEAKI
分类号
C22C1/04;B22F3/10;C22C33/02;H01F7/02
主分类号
C22C1/04
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