TY  - BOOK
AU  - Bureau of Indian Standards
TI  - IS: 8623 (Part 3) - 1993/IEC 439 - 3 - 1990; Specification for low-voltage switchgear and controlgear assemblies Part 3 particular requirements for equipment where unskilled persons have access for their use
PY  - 1993///
CY  - New Delhi
PB  - BIS
ER  -