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发明名称
Filter unit with by-pass and anti-drain back valve
摘要
申请公布号
US3315809(A)
申请公布日期
1967.04.25
申请号
US19650490137
申请日期
1965.09.24
申请人
CHAMPION LABORATORIES, INC.
发明人
HULTGREN WILLIAM H.
分类号
B01D27/06
主分类号
B01D27/06
代理机构
代理人
主权项
地址
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