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发明名称
Rotary valve with expandable liner
摘要
申请公布号
US3346002(A)
申请公布日期
1967.10.10
申请号
US19650432189
申请日期
1965.02.12
申请人
HALLIBURTON COMPANY
发明人
JR. WILLIAM S. THOMPSON,;FRAZIER BRUCE J.;MORRISETT O. L.
分类号
F16K5/04;F16K5/18
主分类号
F16K5/04
代理机构
代理人
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地址
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