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发明名称
MULTI-POINT CUTTING BIT
摘要
申请公布号
PL288235(A1)
申请公布日期
1992.06.15
申请号
PL19900288235
申请日期
1990.12.11
申请人
POLITECHNIKA WROCLAWSKA
发明人
CICHOSZ PIOTR
分类号
B23B27/16;(IPC1-7):B23B27/16
主分类号
B23B27/16
代理机构
代理人
主权项
地址
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