TY  - BOOK
AU  - International Electrotechnical Commission
TI  - IEC: 947 - 4 - 1 - 1990; Low-voltage switchgear and controlgear Part4 Contactors and motor-starters Section One - Electomechanical contactors and motor-starters
PY  - 1990///
CY  - Geneva
PB  - IEC
ER  -