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经营范围
发明名称
Cylinder valve
摘要
申请公布号
US2216292(A)
申请公布日期
1940.10.01
申请号
US19390256952
申请日期
1939.02.17
申请人
L. C. RONEY, INC.
发明人
EVLETH EARL M.
分类号
F16K7/16
主分类号
F16K7/16
代理机构
代理人
主权项
地址
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