GB/T 13511.4-2025

Active

Assembled spectacles—Part 4: Multifocal and power-variation near-vision spectacles

配装眼镜 第4部分：多焦和渐变焦老视成镜

Standard Type
GBT
ICS
11.040.70
CCS
Y89
Status
现行
Issue Date
2025-02-28
Implementation
2026-03-01
Responsible Dept
中国轻工业联合会
Drafting Unit
N/A