TY  - BOOK
AU  - Bureau of Indian Standards
TI  - IS: 13947 (Part 4/Sec. 1) - 1993/ IEC Pub. 947 - 4 - 1 - 1990; Specification for low-voltage switchgear and controlgear Part 4 contactors and motor-starters section 1 Electromechanical contactors and motor starters
PY  - 1993///
CY  - New Delhi
PB  - BIS
ER  -