Normative Instruction number 138, 30 March 2022; (22 page(s), in Portuguese)
National Standard of the P.R.C., Ophthalmic optics—Contact lenses—Part 3: Soft contact lenses; (11 page(s), in Chinese)
National Standard of the P.R.C., Safety technical requirements for medical gloves; (5 page(s), in Chinese)
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