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发明名称
摘要
申请公布号
JPH0520491(B2)
申请公布日期
1993.03.19
申请号
JP19850004637
申请日期
1985.01.14
申请人
SUMITOMO ELECTRIC INDUSTRIES
发明人
SAWADA KAZUO;MYAZAKI TAKESHI
分类号
B22F3/20;B21C23/21;B22F9/08;B22F9/10;C22C1/04;C22C9/00;C22F1/00;C22F1/08
主分类号
B22F3/20
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代理人
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