000 00300nam a2200073 4500
080 _a
_b
245 _aIEC: 439 - 4 - 1990; Low-voltage switchgear and controlgear assemblies Part 4: Particular requiremets for assemblies for construction sites (ACS)
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1990
300 _a46p
999 _c35678
_d35678