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经营范围
发明名称
Screw propeller, particularly for aircraft
摘要
申请公布号
GB575268(A)
申请公布日期
1946.02.11
申请号
GB19430020466
申请日期
1943.12.07
申请人
HANS REISSNER
发明人
分类号
B64C11/04
主分类号
B64C11/04
代理机构
代理人
主权项
地址
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