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发明名称
摘要
申请公布号
JPH07108432(B2)
申请公布日期
1995.11.22
申请号
JP19870173544
申请日期
1987.07.10
申请人
发明人
分类号
B22C9/04;B22C15/30;(IPC1-7):B22C15/30
主分类号
B22C9/04
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