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经营范围
发明名称
UNIVERSAL DRILLING MACHINE
摘要
申请公布号
US3467207(A)
申请公布日期
1969.09.16
申请号
USD3467207
申请日期
1966.10.10
申请人
HARLEY G. PYLES;CHARLES D. ALBRIGHT;ROBERT E. HAUN
发明人
HARLEY G. PYLES;CHARLES D. ALBRIGHT;ROBERT E. HAUN
分类号
E21B19/08;(IPC1-7):E21C3/02;E21B7/00;E21C19/00
主分类号
E21B19/08
代理机构
代理人
主权项
地址
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