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发明名称
摘要
申请公布号
JPS59500421(A)
申请公布日期
1984.03.15
申请号
JP19830500951
申请日期
1983.01.25
申请人
发明人
分类号
B22F1/00;B22F9/04;D01F9/08
主分类号
B22F1/00
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代理人
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