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经营范围
发明名称
RITSUHOSHUGOSOSHIKIKARANARU DENJIKOHANNO SEIZOHOHO
摘要
申请公布号
JPS516123(A)
申请公布日期
1976.01.19
申请号
JP19740077523
申请日期
1974.07.06
申请人
NIPPON STEEL CORP
发明人
KUMAZAWA MASUHARU
分类号
H01F1/16;C21D3/04;C21D7/02;C21D8/12
主分类号
H01F1/16
代理机构
代理人
主权项
地址
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