China 'GB/T 28539-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 28539-2012
Ophthalmic optics - Contact lenses and contact lens care products - Guidelines for determination of preservative uptake and release 眼科光学 接触镜和接触镜护理产品 防腐剂的摄入和释放的测定指南
Issued Date:2012-06-29
Implemented Date:2012-11-01
Issued by:
The Standardization Administration of the People's Republic of China