TY - BOOK AU - International Electrotechnical Commission TI - IEC/TS: 62271-304 - 2008; Technical specification on high-voltage switchgear and controlgear-part 304 - Design classes for indoor enclosed switchgear and controlgear for rated voltages above kV up to and including 52 kV to be used in severe climatic conditions PY - 2008/// CY - Geneva PB - IEC N1 - Downloaded from IEC Website ER -