Compagnie Électro-Mécanique

Compagnie Électro-Mécanique (CEM) was a French electrical engineering manufacturer based in Paris, Le Havre, Lyon, Le Bourget, Nancy, Dijon. It was a subsidiary company of Brown, Boveri & Cie.

The company produced DC motors, AC motors, generators, turbines, transformers and locomotives. Examples of locomotives included SNCF Class C 61000 and SNCF Class CC 65500.

It was acquired by Alsthom in 1983.

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