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经营范围
发明名称
Marine propulsion
摘要
申请公布号
US2483663(A)
申请公布日期
1949.10.04
申请号
US19460640856
申请日期
1946.01.12
申请人
ROMAN NOWAK
发明人
NOWAK ROMAN
分类号
B63H11/12
主分类号
B63H11/12
代理机构
代理人
主权项
地址
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