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发明名称
Gas filter
摘要
申请公布号
US2294107(A)
申请公布日期
1942.08.25
申请号
US19410379449
申请日期
1941.02.18
申请人
BECK ALBERT J
发明人
BECK ALBERT J.
分类号
B01D46/24
主分类号
B01D46/24
代理机构
代理人
主权项
地址
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