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发明名称
DIVERTER
摘要
申请公布号
US3599711(A)
申请公布日期
1971.08.17
申请号
USD3599711
申请日期
1969.07.07
申请人
ROCKWELL MFG. CO.
发明人
JOHN H. FOWLER
分类号
E21B23/12
主分类号
E21B23/12
代理机构
代理人
主权项
地址
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