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Switching surges protection devices of coal mines underground electrical networks
STANDARD published on 1.7.1989
Designation standards: GOST 27863-88
Publication date standards: 1.7.1989
SKU: NS-390427
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Latest update: 2025-03-14 (Number of items: 2 232 255)
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