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US08722572B2 Metal catalyst substrate and its manufacturing method 失效
金属催化剂基板及其制造方法

Metal catalyst substrate and its manufacturing method
Abstract:
A metal catalyst substrate 1 is equipped with a honeycomb body 2 in which a corrugated metal foil 4 and a flat metal foil 5 are multiply rolled, their leader portions being overlapped with each other. A restricting portion 8 is formed at a core portion 7 of the honeycomb body 2 by a portion of the core portion being deformed to restrict flow of exhaust gas in a core portion 7.
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