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发明名称
Improvements in or relating to the propulsion of water craft
摘要
申请公布号
GB522187(A)
申请公布日期
1940.06.11
申请号
GB19380011634D
申请日期
1939.04.17
申请人
JOSE BARBOZA DE OLIVEIRA
发明人
分类号
B63H5/14
主分类号
B63H5/14
代理机构
代理人
主权项
地址
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