2019101102111254638910A01161814A01182421252440ppm(A4),42ppm(Letter) (B)/40ppm(A4),42ppm(Letter) (A)271714AAABB2019132223261415127252145ppm(A4),47ppm(Letter)/50ppm(A4),52ppm(Letter)/60ppm(A4),62ppm(Letter)45ppm(A4),47ppm(Letter)/50ppm(A4),52ppm(Letter)/