You are not logged in, please sign in to edit > Log in / create account  

Category:Electronic switching systems

From GHN

Revision as of 18:31, 6 June 2011 by Administrator1 (Talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

An automatic switching system in which the control functions are performed principally by electronic devices.