The front derailleur is a Nuovo Valentino. The levers are Record. The derailleurs and levers are OEM spec. At first, I thought the crankset was the OEM spec Ofmega Competition but then I noticed the swaged construction, so it should be a Gran Premio. You don't include a good picture of the headset but it may be the OEM Spec Ofmega (no model given). FYI, the spec tubeset during this era was Columbus Aelle R. These typically came with pantographed stem, post and chainrings.