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发明名称
Valve position indicator
摘要
申请公布号
US3238915(A)
申请公布日期
1966.03.08
申请号
US19640345038
申请日期
1964.02.14
申请人
HENRY PRATT COMPANY
发明人
SMITH GEORGE C.;WOOLLEY WILLIAM J.
分类号
F16K37/00
主分类号
F16K37/00
代理机构
代理人
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地址
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