Thank you for the information"Cicli B" was an own brand of the German bike dealer Radsport Bornmann in Kassel
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They had over a few years in the 90ties a nice portfolio of Cicli B labeled bikes, mostly tange frames and certainly produced in Taiwan.
Yours look nice!
The shop is still around, after Cicli B they had another own brand called "No Saint". Nowadays they are just selling standard bikes from other brands.
https://www.ciclib.de/das-sind-wir.htm?