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GB - Chinese national standards
Page 1463
GB/T 21711.1-2023 (17/03/2023)
Electromechanical elementary relays—Part 1: General and safety requirements
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 850.20 EUR more info
GB/T 21711.10-2025 (30/05/2025)
Electromechanical elementary relays—Part 10:Additional functional aspects and safety requirements for high-capacity relays
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 361.60 EUR more info
GB/T 21711.2-2024 (15/03/2024)
Electromechanical elementary relays—Part 2: Reliability
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 753.60 EUR more info
GB/T 21711.201-2024 (15/03/2024)
Electromechanical elementary relays—Part 2-1: Reliability—Procedure for the verification of B10 values
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 319.20 EUR more info
GB/T 21711.3-2025 (30/05/2025)
Electromechanical elementary relays—Part 3:Relays with forcibly guided(mechanically linked) contacts
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 254.10 EUR more info
GB/T 21711.7-2018 (07/06/2018)
Electromechanical elementary relays—Part 7:Test and measurement procedures
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 502.80 EUR more info
GB/T 21712-2008 (23/04/2008)
The standard for the restoration and control of ancient books
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 248.70 EUR more info
GB/Z 21713-2008 (24/04/2008)
Recommended practice on characteristic of surges in low-voltage (1000 V and Less) AC Power circuits
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 476.70 EUR more info
GB/T 21714.1-2015 (11/09/2015)
Protection against lightning—Part 1General principles
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 187.90 EUR more info
GB/T 21714.1-2026 (30/07/2026)
Protection against lightning—Part 1: General principles
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 339.90 EUR more info
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