PRETS 300 019-1-4-1991 Equipment Engineering (EE); Environmental Conditions and Environmental Test for Telecommunications Equipment Part 1-4: Classification of Environmental Conditions Stationary Use at Non-Weatherprotected Locations
ETSI - European Telecommunications Standards Institute
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PRETS 300 019-1-4-1991
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1991PRETS 300 019-1-4-1991 Equipment Engineering (EE); Environmental Conditions and Environmental Test for Telecommunications Equipment Part 1-4: Classification of Environmental Conditions Stationary Use at Non-Weatherprotected Locations