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发明名称
摘要
申请公布号
JPH0241561(B2)
申请公布日期
1990.09.18
申请号
JP19860142468
申请日期
1986.06.18
申请人
发明人
分类号
B22F1/00;B22F9/04
主分类号
B22F1/00
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代理人
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