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发明名称
Method of treating solid materials with gases
摘要
申请公布号
US1849561(A)
申请公布日期
1932.03.15
申请号
US19290393559
申请日期
1929.09.18
申请人
MARTIN WIBERG FRANS
发明人
WIBERG FRANS MARTIN
分类号
C21B13/04
主分类号
C21B13/04
代理机构
代理人
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地址
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