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经营范围
发明名称
Speed and aneroid controlled pilot operated valve
摘要
申请公布号
US2619103(A)
申请公布日期
1952.11.25
申请号
US19470725640
申请日期
1947.01.31
申请人
THE PARKER APPLIANCE COMPANY
发明人
DAVIES ROBERT H.;HARTLEY EMMETT C.
分类号
G05D13/38
主分类号
G05D13/38
代理机构
代理人
主权项
地址
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