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经营范围
发明名称
Hydraulic motor and control valve
摘要
申请公布号
US2631571(A)
申请公布日期
1953.03.17
申请号
US19480017624
申请日期
1948.03.29
申请人
NORTHROP AIRCRAFT, INC.
发明人
PARKER WARDE L.
分类号
B64C13/24;F15B9/10
主分类号
B64C13/24
代理机构
代理人
主权项
地址
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