ETSI PRETS 300 019-A-1990 Equipment Engineering: Environmental Conditions and Environmental Tests for Telecommunications Equipment Part A - Introduction and Terminology
European Telecommunications Standards Institute (ETSI)
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ETSI PRETS 300 019-A-1990
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1990ETSI PRETS 300 019-A-1990 Equipment Engineering: Environmental Conditions and Environmental Tests for Telecommunications Equipment Part A - Introduction and Terminology