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发明名称
PLURAL STAGE FILTER CARTRIDGE WHEREIN AT LEAST ONE STAGE COMPRISES PULVERIZED PARTICULATE MATERIAL
摘要
申请公布号
US4032457(A)
申请公布日期
1977.06.28
申请号
US19750583749
申请日期
1975.06.04
申请人
FIBREDYNE, INC.
发明人
MATCHETT, ROBERT W.
分类号
B01D29/00;B01D39/00;B01D39/14;(IPC1-7):B01D25/04;B01D25/16
主分类号
B01D29/00
代理机构
代理人
主权项
地址
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