| http://www.w3.org/ns/prov#value | - inside the sealing material layer302.In the honeycomb structure 300 with the hole 304 formed in the sealing material layer 302 as shown in FIG. 6, there is a problem that, when the honeycomb structure 300 is immersed in a solution containing a catalyst to support the catalyst on acell wall, it becomes difficult to support the catalyst uniformly on the cell wall of the honeycomb structure 300, sin
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