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经营范围
发明名称
Water softener
摘要
申请公布号
US2202001(A)
申请公布日期
1940.05.28
申请号
US19380201718
申请日期
1938.04.13
申请人
GUDMUNDSEN-STRATTON LABORATORIES, INC.
发明人
GUDMUNDSEN AUSTIN
分类号
B01J47/00;C02F1/00
主分类号
B01J47/00
代理机构
代理人
主权项
地址
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