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发明名称
IMPROVEMENTS IN OR RELATING TO WATER-SOFTENER VALVE DEVICES
摘要
申请公布号
GB1276172(A)
申请公布日期
1972.06.01
申请号
GB19690036658
申请日期
1969.07.21
申请人
SAPIR S.A.
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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