CNS Standard is abbreviation of
Chinese National Standard, the National Standards of the Republic of China (Taiwan) ;
They are administered by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs.
These standards are divided into 26 numbered categories.
The English versions CNS standards were translated directly from the openly-published Chinese CNS standard , in case of any divergence of interpretation, the Chinese versions CNS standards text shall prevail.
11811 - English Version Magnifier, Round Reading Glass 圓形放大鏡