ONORM E 2700-1985 Provision jor stand-by connections for the power supply up to 5 kVA of important consumers by mobile stand-by units in case of failing electricity supply; marking of conformity
1985ONORM E 2700-1985 Provision jor stand-by connections for the power supply up to 5 kVA of important consumers by mobile stand-by units in case of failing electricity supply; marking of conformity