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发明名称
Water softener
摘要
申请公布号
US2407228(A)
申请公布日期
1946.09.10
申请号
US19430513272
申请日期
1943.12.07
申请人
FORSYTH ALEXANDER R
发明人
FORSYTH ALEXANDER R.
分类号
B01J47/02;C02F1/42
主分类号
B01J47/02
代理机构
代理人
主权项
地址
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