TY  - BOOK
AU  - International Electrotechnical Communication
TI  - IEC: 439 - 4 - 1990 (Amendment No.1 - 1995); Low-voltage switchgear and controlgear assemblies part 4 particular requirements for assemblies for contruction sites (ACS)
PY  - 1995///
CY  - Geneva
PB  - IEC
ER  -