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发明名称
Process of making oxygen preparations
摘要
申请公布号
US1745465(A)
申请公布日期
1930.02.04
申请号
US19290336631
申请日期
1929.01.31
申请人
THE ROESSLER & HASSLACHER CHEMICAL COMPANY
发明人
ZISCH WALTER
分类号
C01B13/02
主分类号
C01B13/02
代理机构
代理人
主权项
地址
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