A.145±10 B.150±10 C.155±10 D.160±10
A.U1-2:U3-4=1:1 B.U1-2:U3-4=1.02~1.06:1 C.U1-2:U3-4=1.04:1 D.U1-2:U3-4=1:1.02~1.06
A.2598.6 B.2598.7 C.2601.3 D.2601.4