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发明名称
摘要
申请公布号
JP3899479(B2)
申请公布日期
2007.03.28
申请号
JP19970215672
申请日期
1997.07.25
申请人
发明人
分类号
B21B1/40;C22F1/04;C22C21/00;C22F1/00;H01G9/055
主分类号
B21B1/40
代理机构
代理人
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地址
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