| 摘要 |
PURPOSE: An exhaust gas filter system is provided to improve the flow of exhaust gas because a coating layer is formed only in a first channel with an inlet opening, not in a second channel with an outlet opening. CONSTITUTION: An exhaust gas filter system comprises a porous carrier in which a plurality of channels from a side to the other to let exhaust gas pass through, a first coating layer(120) which is formed on the surfaces of the channels, and a second coating layer(130) which is formed inside the carrier.
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