The brake stirrups could well be Dia-Compe as the 'Universal' shoe height adjusters look very similar to the type on the 'Aero Gran Compe' model. Also the little 'tit' on the centre bolt is Dia-Compe style. Is the lettering actually 'AERO' on the face of the stirrup? They are possibly an 'aero' version of the Gran-Compe model, possibly from the mid/late 80's as they don't appear in my 1984 catalogue.
I'm not sure about the brake levers though. They don't look like a Dia-Compe model, could they be CLB? Strange that they could be a different make to the stirrups
If you are replacing the tyres, PLEASE remember to use the correct tubular tyre cement to stick them on with. If you don't they will roll off with dire consequences. You must also clean off the old cement first (use petrol or similar as it's rubber based). It's all a bit of a 'faff' but necessary. Some 'Vittoria Rally' tubulars are good value, available from Wiggle etc. They also go on reasonably straight first time.