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发明名称
Dispositif de réglage pour souffleries ou pompes à parcours principalement axial, dans lesquelles la vitesse relative du rotor peut être ralentie ou même accélérée d'une quantité inférieure à 25 % environ
摘要
申请公布号
FR882017(A)
申请公布日期
1943.05.14
申请号
FRD882017
申请日期
1942.05.12
申请人
发明人
SCHICHT FRIEDRICH
分类号
F04D29/56
主分类号
F04D29/56
代理机构
代理人
主权项
地址
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