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发明名称
Construction of chemically resistant reaction towers
摘要
申请公布号
US2728640(A)
申请公布日期
1955.12.27
申请号
US19510245138
申请日期
1951.09.05
申请人
PIETRO GUARESCHI
发明人
GUARESCHI PIETRO
分类号
B01J19/02;C01B17/84
主分类号
B01J19/02
代理机构
代理人
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