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Preview GB/T 20145-2006 6.3.2006
GB/T 20145-2006

Photobiological safety of lamps and lamp systems

Standard published on 6.3.2006

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electronic design (pdf) (900.00 USD)


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900.00 USD


IN STOCK
Preview GB/T 20147.1-2026 30.4.2026
GB/T 20147.1-2026

Colorimetry—Part 1: CIE standard colorimetric observers

Standard published on 30.4.2026

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electronic design (pdf) (1186.80 USD)


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1 186.80 USD


in 7 working days
Preview GB/T 20147.2-2026 28.1.2026
GB/T 20147.2-2026

Colorimetry—Part 2: CIE standard illuminants

Standard published on 28.1.2026

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electronic design (pdf) (1222.80 USD)


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1 222.80 USD


in 7 working days
Preview GB/T 20147.3-2023 6.8.2023
GB/T 20147.3-2023

Colorimetry—Part 3:CIE tristimulus values

Standard published on 6.8.2023

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electronic design (pdf) (226.80 USD)


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226.80 USD


in 3 working days
Preview GB/T 20147.4-2023 6.8.2023
GB/T 20147.4-2023

Colorimetry—Part 4: CIE 1976 L* a* b* colour space

Standard published on 6.8.2023

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electronic design (pdf) (226.80 USD)


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226.80 USD


in 3 working days
Preview GB/T 20147.6-2026 30.4.2026
GB/T 20147.6-2026

Colorimetry—Part 6: CIEDE2000 colour-difference formula

Standard published on 30.4.2026

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electronic design (pdf) (382.80 USD)


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382.80 USD


in 3 working days
Preview GB/T 20148-2006 6.3.2006
GB/T 20148-2006

Spatial distribution of daylight-CIE standard general sky

Standard published on 6.3.2006

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electronic design (pdf) (256.80 USD)


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256.80 USD


in 3 working days
Preview GB/T 20149-2006 6.3.2006
GB/T 20149-2006

Road traffic lights - Photometric properties of 200mm roundel signals

Standard published on 6.3.2006

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electronic design (pdf) (184.80 USD)


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184.80 USD


in 3 working days
Preview GB/T 2015-2017 14.10.2017
GB/T 2015-2017

White portland cement

Standard published on 14.10.2017

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electronic design (pdf) (180.00 USD)


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180.00 USD


IN STOCK
Preview GB/T 2015-2017E 14.10.2017
GB/T 2015-2017E

White portland cement

Standard published on 14.10.2017

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


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