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发明名称
Perfectionnements aux pompes à liquides comportant un rotor de forme hélicoïdale, et application aux appareils transvaseurs de liquides
摘要
申请公布号
FR750085(A)
申请公布日期
1933.08.03
申请号
FRD750085
申请日期
1932.04.28
申请人
TECALEMIT
发明人
分类号
F04D3/02
主分类号
F04D3/02
代理机构
代理人
主权项
地址
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