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经营范围
发明名称
Procédé et installation pour l'adoucissement des eaux
摘要
申请公布号
FR758828(A)
申请公布日期
1934.01.24
申请号
FRD758828
申请日期
1932.10.17
申请人
L'AUXILIAIRE DES CHEMINS DE FER ET DE L'INDUSTRIE
发明人
分类号
C02F1/42
主分类号
C02F1/42
代理机构
代理人
主权项
地址
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