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发明名称
Perfectionnements aux procédés et dispositifs de dosage des liquides, en particulier des réactifs pour l'épuration des eaux
摘要
申请公布号
FR983704(A)
申请公布日期
1951.06.27
申请号
FRD983704
申请日期
1949.03.25
申请人
发明人
GUIGUES FREDERIC
分类号
C02F1/68
主分类号
C02F1/68
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代理人
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