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发明名称
Appareil indicateur de niveaux de liquides
摘要
申请公布号
FR850495(A)
申请公布日期
1939.12.18
申请号
FRD850495
申请日期
1939.02.18
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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