TY - ADVS TI - ITC learning: Electrical swithgear maintenance -1 20091D T2 - Industrial skills training engineered for results SN - T2009/1,T2009/2,T2009/3,T2009/4 PY - 1981/// CY - Geneva PB - ITC KW - Electric switchgear N1 - Library internal view only; Switchgear 1 20091D + Switchgear 2 20091D N2 - In set of 2 ER -