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发明名称
Rudder
摘要
申请公布号
US1777912(A)
申请公布日期
1930.10.07
申请号
US19290391907
申请日期
1929.09.11
申请人
EUSTIS CORCORAN GEORGE
发明人
CORCORAN GEORGE EUSTIS
分类号
B63H9/02
主分类号
B63H9/02
代理机构
代理人
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