1940–1949
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1942
Dr. Wolff & Tritschler OHG, 1940
Dr. Wolff & Tritschler OHG, 1937