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发明名称
Perfectionnement aux pompes et compresseurs centrifuges
摘要
申请公布号
FR999797(A)
申请公布日期
1952.02.05
申请号
FRD999797
申请日期
1946.01.04
申请人
SOCIETE RATEAU
发明人
分类号
F04D25/02;F04D27/02;F04D29/44;F04D29/68
主分类号
F04D25/02
代理机构
代理人
主权项
地址
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