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发明名称
Improvements in or relating to the production of base exchanging materials
摘要
申请公布号
GB481110(A)
申请公布日期
1938.03.02
申请号
GB19360024032
申请日期
1936.09.02
申请人
ELECTROLUX LIMITED
发明人
分类号
C01B33/46
主分类号
C01B33/46
代理机构
代理人
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