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发明名称
Filter tube
摘要
申请公布号
US2057814(A)
申请公布日期
1936.10.20
申请号
US19340757676
申请日期
1934.12.15
申请人
BARRETT ABNER J
发明人
BARRETT ABNER J.
分类号
B01D29/19
主分类号
B01D29/19
代理机构
代理人
主权项
地址
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