SNCF BB 13000 SNCF BB 13000 The BB 13000 class were electric locomotives operated by SNCF in France. They were one of four classes, together with the BB 12000, CC 14000 and CC 14100 classes, that formed an experimental group for studying the practicality of the new French electrification. The standard French electrification system before WWII was 1,500 V DC, beginning with locomotives such as the 2BB2 400. Post-WWII, France occupied the south-west of Germany and the . This line had been electrified with one of the first systems to use 50 Hz, the standard commercial distribution frequency, rather than the lower Hz
China Railway Guangzhou Group Company Law of China. China Railway is a state-owned enterprise (replacing the Ministry of Railways) that the Ministry of Finance acted as the shareholder. The Chinese character means iron, but means railway, thus the company did not have any relation with Guangzhou Iron and Steel (). China Railway Guangzhou Group China Railway Guangzhou Group, officially abbreviated as CR Guangzhou or CR-Guangzhou, formerly, Guangzhou Railway (Group) Corporation from 1993 to 2017 and Guangzhou Railway Administration from 1953 to 1993, is a subsidiaries company under the jurisdiction of the China Railway (formerly the Ministry of Railway). It supervises the railway network within