Isbn: 9787508312026 (1 resultados)

paperback. Condición: New. Paperback Pages Number: 406 Language: Chinese. Electrical network access job evaluation materials according to the State Economic and Trade Commission Order No. 13. special operations personnel safety and technical training assessment management approach national standard special operations personnel safety technology training assessment management Rules and into the net operating electrical management approach and into the net operating electrician examination outline ministerial requirement.…