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发明名称
Method and apparatus for production of metal oxides
摘要
申请公布号
US1967235(A)
申请公布日期
1934.07.24
申请号
US19310561596
申请日期
1931.09.08
申请人
FERKEL KARL A
发明人
FERKEL KARL A.
分类号
C01B13/22
主分类号
C01B13/22
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代理人
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