Safety rules for the installation and maintenance of electric supply and communication lines comprising Part 2, the Definitions and the grounding rules of the sixth edition of the National Electrical Safety Code, approved by ASA, June 8, 1960, as AS C2.2-1960
Washington Government Printing Office 1961
Localização:
EPBC - Esc. Politécnica-Bib Central
(RN 621.316.9 Es82s )(Acessar)