1. “Nemis sifati – uyingizning issiq yuragi!” 2. “Vaillant – Germaniyadan ishonchli issiqlik manbai.” 3. “Tejamkorlik va sifat – Germaniyadan sizga!” 4. “Vaillant AWB REMEXA – issiqlikda nemis mukammalligi.” 5. “Issiqlik, sifat, ishonch – German...