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发明名称
摘要
申请公布号
JPH05252(U)
申请公布日期
1993.01.08
申请号
JP19910057199U
申请日期
1991.06.25
申请人
发明人
分类号
B22D29/00;B22D29/04;(IPC1-7):B22D29/00
主分类号
B22D29/00
代理机构
代理人
主权项
地址
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