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发明名称
摘要
申请公布号
JPH01128953(U)
申请公布日期
1989.09.01
申请号
JP19880023653U
申请日期
1988.02.23
申请人
发明人
分类号
B22D31/00;(IPC1-7):B22D31/00
主分类号
B22D31/00
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