RD3.9UM(0)-T1-A RD3.9UM(91)-T1-AT RD3.9UMT1 RD3.9UM-T1 RD3.9UM-T1-A RD3.9UM-T1-A(B2) RD3.9UM-T1-A-B1 RD3.O RD3.OM-T1B RD3.OS-T1