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发明名称
Perfectionnements aux pompes et compresseurs dits roto-ellipsoïdaux
摘要
申请公布号
FR798793(A)
申请公布日期
1936.05.26
申请号
FRD798793
申请日期
1935.02.25
申请人
发明人
DUTREY ANDRE;MAILLET EMILE
分类号
F04C9/00
主分类号
F04C9/00
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代理人
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