The bottom bracket is stamped "CORRADINI". I have no idea why, or what this means. Also, the stem is pantographed "Betori". Again, no clues!? The seat post is stamped "D8" and "PSM"
Strangely, the bike is equipped with a period-correct Zeus Criterium group. The inside crank arm is stamped "c", which I think means either 1972 or 1973. The chain rings are drillium like I have seen on some other Pogs of this era. Brakes are Weinmann side pulls. Rims are Martano. It appears to have been very tidily built, with soldered cable ends, perfectly wrapped bar tape, etc., as if it were put away after a race 40 years ago.