发明授权
US3938959A Catalyst-type exhaust gas purifying device 失效
催化剂型废气净化装置

Catalyst-type exhaust gas purifying device
摘要:
A catalyst-type exhaust gas purifying device utilizing a monolithic catalyzing element defining a plurality of exhaust gas passages therein. The catalyzing element is disposed within a cylindrical housing. Heat insulating spaces are provided by at least one circumferential row of bores disposed near the outer periphery of said catalyzing element and closed at the opposite ends.
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