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发明名称
Amorçage automatique d'une pompe centrifuge
摘要
申请公布号
FR875245(A)
申请公布日期
1942.09.11
申请号
FRD875245
申请日期
1941.05.13
申请人
SOCIETE RATEAU
发明人
分类号
F04D9/04
主分类号
F04D9/04
代理机构
代理人
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