Isbn: 9787504577962 - 电工安全操作规程标准与技术 《现代企业安全操作规程标准与技术丛书》编委会 中国劳动社会保障出版社 9787504577962 (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 182 Publisher: China Labor and Social Security Publishing House Pub. Date :2009-03. electrical safety standards and technical procedures to modern enterprise security procedures of Standards and Technology Series one. Electrical part of special operations personnel. must be trained and pass the examination to obtain a certificate only after the induction operation. non-electrician for the electrical work is strictly prohibited. Electrical safety procedures of St.…