79002160
Nov 21, 2003
Apr 12, 2005
Electrical power supplies, electrical switching devices, switches and keys for switching electric devices, as well as electrical power supplies, electrical switching devices and controllers provided with electronic logic for field bus oriented signal and power control of electric motors and electric energy consuming devices in systems with decentralized communication systems, such as * ethernet* [ethanate ] or other field bus systems
Electrical and Scientific Apparatus