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发明名称
Rotary drilling device
摘要
申请公布号
US3371558(A)
申请公布日期
1968.03.05
申请号
US19660529179
申请日期
1966.02.15
申请人
ATOMIC ENERGY COMMISSION USA
发明人
ASMANES CHARLES
分类号
B23Q1/70;B23Q5/04
主分类号
B23Q1/70
代理机构
代理人
主权项
地址
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