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经营范围
发明名称
Pilot valve
摘要
申请公布号
US2564529(A)
申请公布日期
1951.08.14
申请号
US19450595006
申请日期
1945.05.21
申请人
GRISWOLD DONALD G
发明人
GRISWOLD DONALD G.
分类号
F16K11/074
主分类号
F16K11/074
代理机构
代理人
主权项
地址
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