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经营范围
发明名称
Automatic water softener control valve and operating means therefor
摘要
申请公布号
US3143140(A)
申请公布日期
1964.08.04
申请号
US19590827309
申请日期
1959.07.15
申请人
ELGIN SOFTENER CORPORATION
发明人
YAEGER EDWARD T.
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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