I would agree with dddd that it 'just depends'. I know from the catalogs that before Bianchi came out with Special and Formula frames they used Columbus main tubes, no grade given, and Falck stays, and some are listed as Tre Tubi w/ Alle stays.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk