Filter with varying cell channels
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United States of America Patent
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Jan 18, 2005
Issued Date -
N/A
app pub date -
Dec 15, 2003
filing date -
Aug 30, 2001
priority date (Note) -
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Abstract
A honeycomb structure which includes an inlet end and an outlet end opposing each other and a plurality of cell channels extending along an axis from the inlet end to the outlet end, the cell channels having non-equal, square cross-sections, and an extrusion die for making the same.
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