TY  - BOOK
AU  - International Electrotechnical Commission
TI  - IEC: 947-4-1 - 1990 (Amendt No.2 - 1996); Low-voltage switchgear and controlgear Part 4 - contactors and motor-starters section 1: Electromechanical contactors and motor-starters
PY  - 1996///
CY  - Geneva
PB  - IEC
ER  -