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发明名称
Power-assisted control systems
摘要
申请公布号
US3171290(A)
申请公布日期
1965.03.02
申请号
US19610090503
申请日期
1961.02.20
申请人
HYDROCONIC LIMITED
发明人
ROUNSEVELL WADE WILLIAM
分类号
B63H21/22
主分类号
B63H21/22
代理机构
代理人
主权项
地址
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