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发明名称
摘要
申请公布号
JPS6056457(U)
申请公布日期
1985.04.19
申请号
JP19830150087U
申请日期
1983.09.28
申请人
发明人
分类号
B22D31/00;B24B31/02;(IPC1-7):B24B31/02
主分类号
B22D31/00
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