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发明名称
HEAD FOR HONING OF STEP-THROUGH AND BLIND CYLINDRICAL HOLES
摘要
申请公布号
PL143348(B2)
申请公布日期
1988.02.29
申请号
PL19860258299
申请日期
1986.03.06
申请人
发明人
分类号
B24B33/08;B24D7/06;(IPC1-7):B24B33/08
主分类号
B24B33/08
代理机构
代理人
主权项
地址
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