Changes

Smart Speakers

9 bytes removed, 12:18, 27 July 2017
/* Bibliographic Analytics */
===Main CPC<nowiki>’</nowiki>s:===
[[Image:Top CPC Classes1.jpg|center|800px]]
*'''H04R''' - Electric communication technique---> loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers/deaf-aid sets/public address systems
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