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发明名称
Procédé de fonctionnement de pompes à diffusion à vide poussé, et pompe à diffusion à vide poussé pour l'application de ce procédé
摘要
申请公布号
FR1048305(A)
申请公布日期
1953.12.21
申请号
FRD1048305
申请日期
1951.06.18
申请人
发明人
VOGT ALOIS
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
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地址
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