The manufacturer will be OFE/C (Otis Fensom Elevator of Canada).
I have a disc(s) here somewhere with all the semi modern CFTOs on the Bofors. I got them from Suffield, who were testing the Bofors in the last 6 years as a gun for the coast guard. I'll check for the discs this evening and see if I can find them, that is, if you are OK with electronic copies.
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