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经营范围
发明名称
Screw propeller, particularly for aircraft
摘要
申请公布号
US2365214(A)
申请公布日期
1944.12.19
申请号
US19400359923
申请日期
1940.10.05
申请人
HANS REISSNER
发明人
REISSNER HANS
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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