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发明名称
Apparatus for use in carrying out exchange reactions
摘要
申请公布号
US1745421(A)
申请公布日期
1930.02.04
申请号
US19260151114
申请日期
1926.11.27
申请人
UNITED WATER SOFTENERS LIMITED
发明人
HIGGINS ERIC BERKELEY
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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