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发明名称
Soda ash
摘要
申请公布号
US1907987(A)
申请公布日期
1933.05.09
申请号
US19300480412
申请日期
1930.09.08
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
LYNN GEORGE
分类号
C01D7/38
主分类号
C01D7/38
代理机构
代理人
主权项
地址
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