Brigitte Hartmann, Restoration of Paintings and Sculptures. read more
GRUPPE Köln - Restaurierung, Seuffert & Partner: Restoration and Conservation of Paintings and Sculptures. read more
Kalker Werkstätte: Restoration of Cultural Heritage in particular wooded objects, furniture, technical cultural objects, linoleum, monuments , etc. read more
Restaurierungsatelier Wojdan: Restoration and Conservation, Paintings, Sculptures, Icones, Frames, Furniture ... read more