"Fratelli Brivio" and "Brivio Fratelli" are just as equally interchangeable in Italian as are the French "Frères Brivio" and "Brivio Frères." There is no grammatical reason why in one language they would prefer one over the other. It is therefore quite a valid point to highlight the fact that on the French packaging they have decided to use the B.F. option; notwithstanding the F.B. marking on all the hubs, both for the ones produced in Italy and France.
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Steven Maasland
Moorestown, NJ