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经营范围
发明名称
Lubricated valve
摘要
申请公布号
US2068810(A)
申请公布日期
1937.01.26
申请号
US19310528568
申请日期
1931.04.08
申请人
READING-PRATT & CADY COMPANY, INC.
发明人
MCCAUSLAND WALLACE;STEPHEN CHARLES W.
分类号
F16K3/36
主分类号
F16K3/36
代理机构
代理人
主权项
地址
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