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发明名称
Low apparent density sodium carbonate
摘要
申请公布号
US1921505(A)
申请公布日期
1933.08.08
申请号
US19290333984
申请日期
1929.01.21
申请人
CHESNY HEINZ H
发明人
CHESNY HEINZ H.
分类号
C01D7/40
主分类号
C01D7/40
代理机构
代理人
主权项
地址
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