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发明名称
Improvements in or relating to the concentration of aqueous alkali metal hydroxides
摘要
申请公布号
GB519616(A)
申请公布日期
1940.04.01
申请号
GB19400004335
申请日期
1938.06.17
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
分类号
C01D1/42
主分类号
C01D1/42
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代理人
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