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发明名称
摘要
申请公布号
JPH0539802(Y2)
申请公布日期
1993.10.08
申请号
JP19880032168U
申请日期
1988.03.11
申请人
发明人
分类号
B22C9/10;(IPC1-7):B22C9/10
主分类号
B22C9/10
代理机构
代理人
主权项
地址
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