Specification for quadrature phase-shifting voltage transformers (first reprint July 1990)
Specification for quadrature phase-shifting voltage transformers (first reprint July 1990)
- New Delhi Buraeu of Indian standards, New Delhi 1975
- 9p. ; 30 cm.
Indian Standard No. : IS 7700
IS 7700
Indian Standard No. : IS 7700
IS 7700