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发明名称
Buoyant propulsion device for vessels
摘要
申请公布号
US2477103(A)
申请公布日期
1949.07.26
申请号
US19460653056
申请日期
1946.03.08
申请人
HENRI MASSON LORENGER;ERNEST WILLIAM BOURGEOIS
发明人
VIGNEAULT JOSEPH
分类号
B63H1/38
主分类号
B63H1/38
代理机构
代理人
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地址
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