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Inspection specification for 1000kV power system protection relay and automation device
STANDARD published on 30.9.2014
Designation standards: GB/T 31237-2014
Publication date standards: 30.9.2014
SKU: NS-367027
Country: Chinese technical standard
Category: Technical standards GB
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Latest update: 2026-06-24 (Number of items: 2 284 377)
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