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经营范围
发明名称
TREPANNING DRILL TOOL
摘要
申请公布号
US3548687(A)
申请公布日期
1970.12.22
申请号
USD3548687
申请日期
1968.05.17
申请人
MADISON IND. INC.
发明人
WILLIAM S. HOLLOWAY
分类号
B23B51/04;(IPC1-7):B23B51/04
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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