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经营范围
发明名称
BORING AND FACING HEAD
摘要
申请公布号
PL263670(A1)
申请公布日期
1988.09.15
申请号
PL19870263670
申请日期
1987.01.15
申请人
发明人
分类号
B23Q;(IPC1-7):B23Q/
主分类号
B23Q
代理机构
代理人
主权项
地址
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