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发明名称
Hélice pour bateaux et avions
摘要
申请公布号
FR786633(A)
申请公布日期
1935.09.06
申请号
FRD786633
申请日期
1935.03.02
申请人
ESCHER WYSS
发明人
分类号
B63H1/12
主分类号
B63H1/12
代理机构
代理人
主权项
地址
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