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经营范围
发明名称
Screw propeller
摘要
申请公布号
US2236201(A)
申请公布日期
1941.03.25
申请号
US19380233100
申请日期
1938.10.03
申请人
ALBERT RUPP
发明人
RUPP ALBERT
分类号
B64C11/34
主分类号
B64C11/34
代理机构
代理人
主权项
地址
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