Cibra nova di Cirielli e c. snc's birthday has a precise reference to March 6th, 1953. On that day, its founder Gennaro Cirielli patented in Milan the first sealing pincers for plastic bags. Many things have happened in these 60 years, but the original patent and the prototype of the pincers (produced until the '80es) that represent its heritage have always been with them, following…