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发明名称
Hélice
摘要
申请公布号
FR938813(A)
申请公布日期
1948.10.26
申请号
FRD938813
申请日期
1946.11.21
申请人
EVEREL PROPELLER CORPORATION
发明人
分类号
B64C11/34
主分类号
B64C11/34
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代理人
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