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Low-voltage surge protective devices—Part 21: Surge protective devices connected to telecommunications and signaling networks—Performance requirements and testing methods
Translate name
STANDARD published on 24.2.2016
Designation standards: GB/T 18802.21-2016
Publication date standards: 24.2.2016
SKU: NS-647734
Country: Chinese technical standard
Category: Technical standards GB
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Latest update: 2026-07-03 (Number of items: 2 286 013)
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