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经营范围
发明名称
Propeller of motor-driven canal and other boats, river barges, and the like
摘要
申请公布号
US1780552(A)
申请公布日期
1930.11.04
申请号
US19290353855
申请日期
1929.04.09
申请人
HERBERT COGGINS THOMAS;ALBERT FARRINGTON
发明人
COGGINS THOMAS HERBERT;FARRINGTON ALBERT
分类号
B63H20/10;B63H20/14
主分类号
B63H20/10
代理机构
代理人
主权项
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