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发明名称
Methods and apparatus for adjusting a valve closure member
摘要
申请公布号
US4846441(A)
申请公布日期
1989.07.11
申请号
US19880209109
申请日期
1988.06.20
申请人
KEYSTONE INTERNATIONAL, INC.
发明人
SCOBIE, WILLIAM B.;CALVIN, DOUGLAS G.
分类号
F16K1/22
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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