Hi all! New vintage enthusiast here!

I'm looking for help in identifying this vintage (seller claims it is) Bianchi, album link with images is below.

imgur.com/a/QKdZqhS

All help is appreciated, I've never seen a tange cro mo decal like the one on this bike, it only states "tange cro mo special tubing".

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EDIT: now looking for help in identifying the Campagnalo drive train on this Bianchi (album link below) , and confirming the model of the Bianchi bike, please see the newest thread posts!

imgur.com/a/EzJtyvp#DMpzDBD