LT1019CN8-4.5 LT1019CN8-4.5#PBF LT1019CN8-4.5PBF LT1019CN8-4。5 LT1019CN85 LT1019CN8-5 LT1019CN8-5#PBF LT1019CN8-5.0 LT1019CN8-5PBF LT1019CS-2.5