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GB/T 46134-2025 in English
Natural esters—Guidelines for maintenance and use in electrical equipment
VALID
Issued on:2025-08-29 | Implemented on:2026-03-01
$570.00 $553.00 -
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GB/T 44663-2024 in English
Insulating liquids—Unused modified or blended esters for electrotechnical applications
VALID
Issued on:2024-09-29 | Implemented on:2025-04-01
$370.00 $359.00 -
GB/T 44378-2024 in English
Insulating liquids—Methods for counting and sizing particles
VALID
Issued on:2024-08-23 | Implemented on:2025-03-01
$310.00 $301.00 -
DL/T 2684-2023 in English
Guidelines for analysis of dissolved gases in transformer on-load tapchanger oil
VALID
Issued on:2023-12-28 | Implemented on:2024-06-28
$379.00 $368.00 -
DL/T 2685-2023 in English
Determination of epoxy resin in transformer oil by infrared spectroscopy
VALID
Issued on:2023-12-28 | Implemented on:2024-06-28
$159.00 $155.00 -
GB/T 21218-2023 in English
Unused silicone insulating liquids for electrotechnical purposes
VALID
Issued on:2023-11-27 | Implemented on:2024-06-01
$220.00 $214.00 -
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GB/T 37141.1-2022 in English
Guide to UV imaging detection of electrical equipments in high altitude regions—Part 1: Substations
VALID
Issued on:2022-10-12 | Implemented on:2023-05-01
$370.00 $359.00
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