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A dielectric ceramic composition obtained by firing a mixture containing a glass component and a dielectric component represented by the compositional formula a.Li2O-b.(CaO1-x—SrOx)-c.R2O3-d.TiO2 (wherein x satisfies 0≦x<1; R is at least one selected from La, Y and other rare-earth metals; and a, b, c and d satisfy 0≦a≦20 mol %, 0≦b≦45 mol %, 0
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