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(57) Abstract: An exhaust gas purifying catalyst, an exhaust gas purifying filter, and an exhaust gas purifying device capable of sufficiently burning particulates contained in exhaust gas even during normal operation or idling of a combustion engine. . SOLUTION: A metal element composed of at least one kind or two or more kinds of 1A group elements and a general formula Ln 1-x AxMO 3 (L n is an element composed of at least one or two or more of La, Pr, Nd, Sm, Gd, Ca, Sr, and Ba. A is Li, Na, K, Cs, Ca, and Mg Among these, it is an element composed of at least one kind or two or more kinds. M is an element consisting of at least one or two or more of Cr, Mn, Co, Cu, and V. The value of x is 0 ≦ x The range is ≦ 1. ). |