1940–1949
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1961
Dr. Wolff & Tritschler OHG, 1939
Dr. Wolff & Tritschler OHG, 1937