gbt 3978 1994
gbt 3978 1994, Total:2 items.
The international standard classification for "gbt 3978 1994" includes: Colours and measurement of light , Optics and optical measurements .
The Chinese standard classification for "gbt 3978 1994" includes: Electric lighting in general , Electric light source products .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 3978-1994 Standard illuminants and illuminating-viewing conditions
- GB/T 3978-2008 Standard illuminants and geometric conditions
GB/T 15139 1994,GB/T 14998-1994,GB/T 15138-1994,GB/T 15262-1994,gb/t307.1-1994,gb/t3621-1994,GB/T 15097-1994,GB/t 2484 1994,gbt 3978 1994,gbt 15262 1994,gb/t3978,gb/t7462-1994gb/t7462-1994,gb/t1994,gbt 15002 1994,gbt 15057.9 1994,gbt 15139 1994,gbt 15286 1994,gbt 15287 1994,gbt 223.36 1994,gbt 3048.6 1994
