NF Z87-019-2-4:2013 Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-4 : specification of environmental tests - Stationary use at non-weatherprotected locations (V2.3.1)
2013NF Z87-019-2-4:2013 Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-4 : specification of environmental tests - Stationary use at non-weatherprotected locations (V2.3.1)
0000 NF Z87-019-2-4:2003
1995NF Z87-019-24:1995 Equpement engineering (ee). Environmental conditions and environmental tests for telecommunication equipment. Part 2-4 : specification of environmental tests. Stationary use at non-weatherprotected locations.