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经营范围
发明名称
Hélice à pales excentrées
摘要
申请公布号
FR59233(E)
申请公布日期
1954.05.06
申请号
FRD59233
申请日期
1949.04.29
申请人
发明人
QUILLET RENE
分类号
B64C11/00;B64C11/36
主分类号
B64C11/00
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