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发明名称
Control valve
摘要
申请公布号
US2229109(A)
申请公布日期
1941.01.21
申请号
US19380232415
申请日期
1938.09.29
申请人
WOODWARD MARTIN JAMES
发明人
MARTIN JAMES WOODWARD
分类号
G05D23/12
主分类号
G05D23/12
代理机构
代理人
主权项
地址
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