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发明名称
Contact apparatus and method for contacting liquid and gas
摘要
申请公布号
US2048145(A)
申请公布日期
1936.07.21
申请号
US19320587684
申请日期
1932.01.20
申请人
SILLERS DONALD A
发明人
SILLERS DONALD A.
分类号
B01D47/02
主分类号
B01D47/02
代理机构
代理人
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地址
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