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经营范围
发明名称
Activated charcoal filter assembly having backwash means
摘要
申请公布号
US3384240(A)
申请公布日期
1968.05.21
申请号
US19660593221
申请日期
1966.11.09
申请人
MARTIN J. BERARDI
发明人
BERARDI MARTIN J.
分类号
B01D24/14
主分类号
B01D24/14
代理机构
代理人
主权项
地址
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