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经营范围
发明名称
Mechanical rowboat
摘要
申请公布号
US2145586(A)
申请公布日期
1939.01.31
申请号
US19370177734
申请日期
1937.12.02
申请人
COLESON WILLIAM K
发明人
COLESON WILLIAM K.
分类号
B63H16/18
主分类号
B63H16/18
代理机构
代理人
主权项
地址
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