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经营范围
发明名称
Automatic water softener
摘要
申请公布号
US1846418(A)
申请公布日期
1932.02.23
申请号
US19270158458
申请日期
1927.01.03
申请人
WARD-LOVE PUMP CORPORATION
发明人
HARWOOD STANLEY G.;GRISWOLD DONALD
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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