000 00433nam a2200073 4500
080 _a
_b
245 _aIEC: 439 - 3 - 1990; Low-voltage switchgear and controlgear assemblies Part 3: Particular requiremets for assemblies for low-voltage switchgear and controlgear assemblies intended to be insstalled in places where unskilled persons have access for their use - distribution boards
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1990
300 _a31p
999 _c35682
_d35682