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发明名称
Système de balance pour la mesure de quantités prédéterminées de substance fluide
摘要
申请公布号
FR827087(A)
申请公布日期
1938.04.15
申请号
FRD827087
申请日期
1937.09.24
申请人
MAATSCHAPPIJ VAN BERKEL'S PATENT N. V.
发明人
分类号
G01G13/26
主分类号
G01G13/26
代理机构
代理人
主权项
地址
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