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经营范围
发明名称
Hélice
摘要
申请公布号
FR948656(A)
申请公布日期
1949.08.08
申请号
FRD948656
申请日期
1947.06.30
申请人
EVEREL PROPELLER CORPORATION
发明人
分类号
B64C11/34
主分类号
B64C11/34
代理机构
代理人
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