CHN/1375
WTO/TBT
China - 11 - Health care technology
- 90 - Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
2019-11-30
2019-10-01
Refractor heads; Other ophthalmic instruments and appliances (HS 901850); Ophthalmic equipment (ICS 11.040.70)
National Standard of the P.R.C., Ophthalmic Instruments - Refractor Heads (11 page(s), in Chinese)
This standard specifies the terms, definitions, requirements and test methods of refractor heads for subjective measurement of binocular function and refractive state of human eyes. This standard is applicable to refractor heads.