PRETS 300 019-1-7-1991 Equipment Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment Part 1-7: Classification of Environmental Conditions Portable and Non-Stationary Use
ETSI - European Telecommunications Standards Institute
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PRETS 300 019-1-7-1991
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1991PRETS 300 019-1-7-1991 Equipment Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment Part 1-7: Classification of Environmental Conditions Portable and Non-Stationary Use