DL/T 5161.3-2018 Specification for construction quality checkout and evaluation of electric equipment installation Part 3:Power transformer,oil immersed reactor and mutual (English Version)
2018DL/T 5161.3-2018 Specification for construction quality checkout and evaluation of electric equipment installation Part 3:Power transformer,oil immersed reactor and mutual
1970DL/T 5161.3-2002 Specification for construction quality checkout and evaluation of electric equipment installation Part 3:Power transformer,oil immersed reactor and mutual