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发明名称
摘要
申请公布号
JPS5056313(A)
申请公布日期
1975.05.17
申请号
JP19730105034
申请日期
1973.09.19
申请人
发明人
分类号
H01F1/147;C21D8/12;H01F1/04
主分类号
H01F1/147
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代理人
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地址
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