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发明名称
Production of barium oxygen compounds
摘要
申请公布号
US1861892(A)
申请公布日期
1932.06.07
申请号
US19310531621
申请日期
1931.04.20
申请人
INTERNATIONAL INDUSTRIAL AND CHEMICAL COMPANY LIMITED
发明人
WITTOUCK SERGE
分类号
C01F11/06
主分类号
C01F11/06
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代理人
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