This model number follows the numbering system used for US-made models (e.g. 41-712), although it was made by DRECO. Presumably the circuit was taken from a closely similar US model such as 41-712 and re-drawn by DRECO with slight modifications.
Technical Information
Intermediate Frequency: 455 Kc/s
Chassis Notes(most schematics can be clicked to download a full size version)