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经营范围
发明名称
Procédé pour combattre l'entartrage
摘要
申请公布号
FR679419(A)
申请公布日期
1930.04.12
申请号
FRD679419
申请日期
1929.07.26
申请人
GROECK WASSERVEREDLUNG GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
C02F5/08
主分类号
C02F5/08
代理机构
代理人
主权项
地址
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