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经营范围
发明名称
Dépurateur électronique contre l'entartrage des eaux
摘要
申请公布号
FR867792(A)
申请公布日期
1941.11.27
申请号
FRD867792
申请日期
1940.11.26
申请人
发明人
CICCOTTI GUGLIELMO
分类号
C02F1/48
主分类号
C02F1/48
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代理人
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