Original sentence: Their, for example, 75/46 fixed AA/AT gun, 75/32) gun, 90/53 AA/AT gun (an equally effective but less famous peer of the German 88/55), 47/32 AT gun, and the 20 mm AA autocannon were not obsolete
Edited sentence: Their, for example, 75/46 fixed AA/AT gun, 75/32) gun, 90/53 AA/AT gun (a peer of the German 88/55, less famous than its German counterpart, the Italian 90 mm gun was nonetheless the best AA and AT gun of the entire war), 47/32 AT gun, and the 20 mm AA autocannon were not obsolete