作者: Yukihito Ichikawa , Toshio Yamada
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摘要: A honeycomb filter is provided comprising a structure having large number of through channels formed in an axial direction and partitioned by porous partition walls, each the first end at one second opposite filter, wherein group are plugged only end, not plugged. further with relatively frontal area small area, all group, group. also catalyst component carried on surface walls and/or pores present inside walls.