TY  - BOOK
AU  - International Electrotechnical Commission
TI  - IEC: 947 - 3 - 1990 (Amendment No.1); Low-voltage switchgear and controlgear Part 3 Switches, disconnectors, switch-disconnectors and fuse-combination units
PY  - 1990///
CY  - Geneva
PB  - IEC
ER  -