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发明名称
DRILL
摘要
申请公布号
US3443459(A)
申请公布日期
1969.05.13
申请号
USD3443459
申请日期
1968.02.14
申请人
BRUCE ALEXANDER MACKEY;BRUCE ALEXANDER MACKEY JR.
发明人
BRUCE ALEXANDER MACKEY;BRUCE ALEXANDER MACKEY JR.
分类号
B23B51/02;(IPC1-7):B23B51/02;B23B51/00;B27G15/00
主分类号
B23B51/02
代理机构
代理人
主权项
地址
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