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GB - Chinese national standards
Page 1319
GB/T 20634.4-2008 (30/12/2008)
Non-impregnated densified laminated wood for electrical purposes - Part 4: Specifications for individual materials - Rings produced from birch veneer
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 150.90 EUR more info
GB/T 20636-2006 (08/11/2006)
Connecting device - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Particular requirements for conductors above 35mm2 up to 300mm2
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 340.90 EUR more info
GB/T 20637-2025 (05/10/2025)
Electrical installations in ships—General construction and test methods of power, control and instrumentation cables for shipboard and offshore applications
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 079.30 EUR more info
GB/T 20638-2023 (07/09/2023)
General specification for stepping motors
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 401.80 EUR more info
GB/T 20638-2023E (07/09/2023)
General specification for stepping motors
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
GB/T 20639-2006 (08/11/2006)
Artificial pollution testing of non-linear resistor type gapped arresters
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 210.60 EUR more info
GB/T 20640-2006 (08/11/2006)
Electrical accessories - Circuit-breakers and similar equipment for household use - Auxiliary contact units
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 688.40 EUR more info
GB/T 20641-2025 (02/12/2025)
Empty enclosures for low-voltage switchgear and controlgear assemblies—General requirements
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 601.50 EUR more info
GB/T 20642-2006 (08/11/2006)
Impulse puncture test in air on insulators for overhead lines
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 346.40 EUR more info
GB/T 20643.1-2025 (01/08/2025)
Special environmental condition—Environmental test method—Part 1: General
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 476.70 EUR more info
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