Specification for porcelain bushings for alternating voltages up to and including 1000 V (first revision) (first reprint December 1997)
Specification for porcelain bushings for alternating voltages up to and including 1000 V (first revision) (first reprint December 1997)
- New Delhi Buraeu of Indian standards, New Delhi 1988
- 8p. ; 30 cm.
Indian Standard No. : IS 7421
IS 7421
Indian Standard No. : IS 7421
IS 7421