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发明名称
Dispositif de réglage pour hélices placées l'une derrière l'autre et tournant en sens contraires
摘要
申请公布号
FR877773(A)
申请公布日期
1942.12.16
申请号
FRD877773
申请日期
1941.12.17
申请人
MESSERSCHMITT A. G.
发明人
MESSERSCHMITT W.
分类号
B64C11/30
主分类号
B64C11/30
代理机构
代理人
主权项
地址
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