GB/T 7962.4
GB/T 7962.4, Total:2 items.
The international standard classification for "GB/T 7962.4" includes: Glass in general , Glass .
The Chinese standard classification for "GB/T 7962.4" includes: Material and component for instrument and meter .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 7962.4-1987 Colourless optical glass test methods; Test method by multiple beam spherical interference for optical homogeneity
- GB/T 7962.4-2010 Test methods of colourless optical glass—Part 4:Temperature coefficient of refractive index
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