This is a very rare tube, is an 11 segment display with 2 decimal commas, one on left and one on right. It was very hard to find one of them, but long last I had found one. It is similar to the IN-30 but is smaller and it has not a socket. With those, you can display numbers but also letters.
|symbols||-||11 segment, CL, CR|
|dimensions||mm||⌀ 19 x 54.5|
|K2, K4, K10 current||mA||≤1.3|
|K3, K6, K7, K9, K11, K13 current||mA||≤0.7|
|K1, K5, K8, K12 current||mA||≤0.3|