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发明名称
Filter construction
摘要
申请公布号
US2888142(A)
申请公布日期
1959.05.26
申请号
US19570647134
申请日期
1957.03.19
申请人
BIRD MACHINE COMPANY
发明人
ROOS JOHN T.
分类号
B01D33/19
主分类号
B01D33/19
代理机构
代理人
主权项
地址
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