IS: 1112 (Part 2) - 1989; Glass shells for general lighting service lamps - specification Part 2, 81 to 130mm shell diameter

IS: 1112 (Part 2) - 1989; Glass shells for general lighting service lamps - specification Part 2, 81 to 130mm shell diameter - New Delhi BIS 1990 - 4p

/
Copyright © 2024 Central Power Research Institute, Ministry of Power, Govt. of India, Bangalore. All Rights Reserved.