LB 6739 11 / CsI 40x50 mm LB 6739-11 CsI 40x50 mm LB 6739-01 CsI 40x50 mm LB 3940 obsolete 81696-5 LB323 LB 6739-13 CsI 25x50 mm 52593-150 53437-S LB 6739-11 CsI 40x50 mm, (48452-11); LB 6739-11 CsI 40x50 mm 52592- 100 LB6651 - obsolete , replaced by 48452-01 48452-01, type LB 6739-01 ;LB 452 CastXpert 52592-100 58009 LB6739-13-CsJ-25X50 (48452-13)