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Preview GB/T 21711.3-2025 30.5.2025
GB/T 21711.3-2025

Electromechanical elementary relays—Part 3:Relays with forcibly guided(mechanically linked) contacts

Standard published on 30.5.2025

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electronic design (pdf) (280.80 USD)


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280.80 USD


in 3 working days
Preview GB/T 21711.7-2018 7.6.2018
GB/T 21711.7-2018

Electromechanical elementary relays—Part 7:Test and measurement procedures

Standard published on 7.6.2018

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electronic design (pdf) (1660.80 USD)


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1 660.80 USD


in 10 working days
Preview GB/T 21712-2008 23.4.2008
GB/T 21712-2008

The standard for the restoration and control of ancient books

Standard published on 23.4.2008

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electronic design (pdf) (274.80 USD)


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274.80 USD


in 3 working days
Preview GB/Z 21713-2008 24.4.2008
GB/Z 21713-2008

Recommended practice on characteristic of surges in low-voltage (1000 V and Less) AC Power circuits

Standard published on 24.4.2008

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electronic design (pdf) (526.80 USD)


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526.80 USD


in 4 working days
Preview GB/T 21714.1-2015 11.9.2015
GB/T 21714.1-2015

Protection against lightning—Part 1General principles

Standard published on 11.9.2015

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electronic design (pdf) (1312.80 USD)


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1 312.80 USD


in 6 working days
Preview GB/T 21714.1-2026 30.7.2026
GB/T 21714.1-2026

Protection against lightning—Part 1: General principles
Execute Date: february 2027

Standard published on 30.7.2026

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


Out of stock
Preview GB/T 21714.2-2015 11.9.2015
GB/T 21714.2-2015

Protection against lightning—Part 2Risk management

Standard published on 11.9.2015

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electronic design (pdf) (1912.80 USD)


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1 912.80 USD


in 3 working days
Preview GB/T 21714.2-2026 30.7.2026
GB/T 21714.2-2026

Protection against lightning—Part 2: Risk management
Execute Date: february 2027

Standard published on 30.7.2026

Selected format:
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electronic design (pdf) (ON REQUEST)


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ON REQUEST


Out of stock
Preview GB/T 21714.3-2015 11.9.2015
GB/T 21714.3-2015

Protection against lightning—Part 3Physical damage to structures and life hazard

Standard published on 11.9.2015

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electronic design (pdf) (2800.80 USD)


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2 800.80 USD


in 4 working days
Preview GB/T 21714.3-2026 30.7.2026
GB/T 21714.3-2026

Protection against lightning—Part 3: Physical damage to structures and life hazard
Execute Date: february 2027

Standard published on 30.7.2026

Selected format:
English, Chinese -
electronic design (pdf) (ON REQUEST)


Show all technical information.
ON REQUEST


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