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发明名称
Process of making a water-softening material of the exchange-silicate type
摘要
申请公布号
US1744703(A)
申请公布日期
1930.01.21
申请号
US19250010418
申请日期
1925.02.19
申请人
ARIZONA MINERALS CORPORATION
发明人
LINDSAY FREDERICK K.
分类号
C01B33/46
主分类号
C01B33/46
代理机构
代理人
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