DB37/T 4166-2020 Active Shandong ProvinceLocal standards

DB37/T 4166-2020 Anti-blue light glasses lenses and related glasses products require a minimum of 90% transmittance of blue light, and there are specific testing methods for this requirement

Publish Date: 2020-09-30 Implement Date: 2020-10-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB37/T 4166-2020

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Other daily necessities

ICS Name: Ophthalmic equipment

Publish Date: 2020-09-30

Implement Date: 2020-10-30

Pages: 9 pages

Development Information

Pages: 9 pages

Related Standards

GB 11533-1989 Replaced

GB 11533-1989 Standard logarithmic visual acuity charts

Publish Date: 1989-03-27

GB/T 14148-1993 Replaced

GB/T 14148-1993 Glass blank of ophthalmic lenses

Publish Date: 1993-02-15

GB/T 14214-1993 Replaced

GB/T 14214-1993 Spectacle frames

Publish Date: 1993-03-01

GB 10810-1996 Replaced

GB 10810-1996 Spectacles lenses

Publish Date: 1996-12-17

GB 17342-1998 Replaced

GB 17342-1998 Ophthalmic instrument—Trial case lenses

Publish Date: 1998-05-05

GB 13511-1999 Replaced

GB 13511-1999 Assembled spectacles

Publish Date: 1999-08-12