GBT2831

GBT2831, Total:2 items.

The international standard classification for "GBT2831" includes: Optical equipment .

The Chinese standard classification for "GBT2831" includes: Optical instrument in general .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 2831-1981 Surface form deviation of optical elements－Inspection methods
• GB/T 2831-2009 Surface form deviation of optical elements

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