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sábado, 23 de febrero de 2013

blog de mis amigos

www.empresarial.blogspot.com www.isagilconstitucional.blogspot.com www.fundamentosdemecanismos.blogspot.com www.disenoydocencia.blogspot.com www.mecanicajjespinosa.blogspot.com www.javiermatematic.blogspot.com

presentación prezzi en tecnologia

empalmes electricos

empalmes electricos


 

sábado, 9 de febrero de 2013

Subestaciones


Subestaciones en baja tensión 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

VIDEO DE LAS TRES GARGANTAS

Central Hidroeléctrica TRES GARGANTAS en China

TRANSFORMADORES