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发明名称
Ship propulsion
摘要
申请公布号
US1804328(A)
申请公布日期
1931.05.05
申请号
US19270216670
申请日期
1927.08.31
申请人
GENERAL ELECTRIC COMPANY
发明人
DUNHAM ROY O.
分类号
B63H23/24
主分类号
B63H23/24
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代理人
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