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经营范围
发明名称
Hydraulic control valve
摘要
申请公布号
US3093159(A)
申请公布日期
1963.06.11
申请号
US19590828290
申请日期
1959.07.20
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
ROYLE JOSEPH KENNETH
分类号
B23Q5/26;G05D16/10
主分类号
B23Q5/26
代理机构
代理人
主权项
地址
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