PRETS 300 019-B-1990 Equipment Engineering Environmental Conditions and Environmental Tests for Telecommunications Equipment Part B - Classification of Environmental Conditions (T/TR 02-12)
ETSI - European Telecommunications Standards Institute
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PRETS 300 019-B-1990
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1990PRETS 300 019-B-1990 Equipment Engineering Environmental Conditions and Environmental Tests for Telecommunications Equipment Part B - Classification of Environmental Conditions (T/TR 02-12)