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DL/T 905-2016 in English
Code of repair welding for blade of steam turbine and runner of hydroturbine
VALID
Issued on:2016-08-16 | Implemented on:2016-12-01
$210.00 $204.00 -
NB/T 47014-2023 in English
Welding procedure qualification for pressure equipment
VALID
Issued on:2023-12-28 | Implemented on:2024-06-28
$1,270.00 $1,232.00 -
GB 50236-2011 in English
Code for Construction of Field Equipment, Industrial Pipe Welding Engineering
VALID
Issued on:2011-02-18 | Implemented on:2011-10-01
$120.00 $117.00 -
GB/T 6165-2021 in English
Test method of the performance of high efficiency particulate air filter—Efficiency and resistance
VALID
Issued on:2021-04-30 | Implemented on:2021-11-01
$750.00 $728.00 -
GB/T 41984-2022 in English
Procedure method for arc stud welding
VALID
Issued on:2022-10-12 | Implemented on:2022-10-12
$750.00 $728.00 -
GB/T 31032-2023 in English
Welding and acceptance standard for steel pipings and pipelines
VALID
Issued on:2023-12-28 | Implemented on:2024-04-01
$1,570.00 $1,523.00 -
NB/T 47015-2023 in English
Welding specification for pressure vessels
VALID
Issued on:2023-12-28 | Implemented on:2024-06-28
$840.00 $815.00 -
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GB/T 21087-2020 in English
Energy recovery ventilators for outdoor air handling
VALID
Issued on:2020-09-29 | Implemented on:2021-08-01
$630.00 $612.00 -
GB/T 41979.3-2022 in English
Friction stir spot welding—Aluminium and its alloys—Part 3：Qualification of welding operators
VALID
Issued on:2022-10-12 | Implemented on:2022-10-12
$160.00 $156.00
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