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发明名称
FILTER
摘要
申请公布号
US3531920(A)
申请公布日期
1970.10.06
申请号
USD3531920
申请日期
1968.09.16
申请人
CAMBRIDGE FILTER CORP.
发明人
CHARLES G. HART
分类号
B01D46/00;F24F13/28;(IPC1-7):B01D27/06
主分类号
B01D46/00
代理机构
代理人
主权项
地址
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