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发明名称
Gas and liquid contact apparatus
摘要
申请公布号
US2228128(A)
申请公布日期
1941.01.07
申请号
US19380220586
申请日期
1938.07.21
申请人
KOPPERS COMPANY
发明人
SCHMALENBACH ADOLF
分类号
B01D47/06
主分类号
B01D47/06
代理机构
代理人
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