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发明名称
Perfectionnements aux machines hélicoïdales ou hélicocentrifuges, de compression, de déplacement ou d'élévation de fluides quelconques
摘要
申请公布号
FR890999(A)
申请公布日期
1944.02.23
申请号
FRD890999
申请日期
1941.02.10
申请人
发明人
PLANIOL ANDRE-PAUL-EUGENE
分类号
F04D29/56
主分类号
F04D29/56
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代理人
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