Here's the Velobase entry
for the rear mech.
Can't help with the levers (especially from the side); Record did have a cable adjuster at one point, but I don't know if they always did. Being such a straightforward component it's likely that one version was shared across more than one groupset, perhaps with a different finish.
The front mech isn't Veloce and it isn't Record, but I can't tell you more than that. I've checked my Record mech and it doesn't have a chromed spring, so I guess this wasn't the case for the entire C-Record period.
I have two different mechs which are either Athena, Chorus or Croce D'Aune and there are two differences between them:
- if viewed from above the end of the pivot arm on the opposite side to the cable clamp bolt has a chamfer as if it has been filed off.
- the same mech also has a narrow hole in the centre of the attachment bolt.
I suspect that the mech with these two features is from a lower groupset than the other, as the Veloce mech also has a hole in the attachment bolt. It's quite likely that Chorus and Croce D'Aune mechs are the same.