DL/T 5161.17-2018 Specification for construction quality checkout and evaluation of electric equipment installation Part 17:Electric lighting device (English Version)
2018DL/T 5161.17-2018 Specification for construction quality checkout and evaluation of electric equipment installation Part 17:Electric lighting device
1970DL/T 5161.17-2002 Specification for construction quality checkout and evaluation of electric equipment installation Part 17:Electric lighting device