Home / Standards / GB 4053.3-2025 GB 4053.3-2025 Upcoming Safety requirements for fixed metal ladders and platform—Part 3: Industrial guardrails and platform 固定式金属梯及平台安全要求 第3部分:工业防护栏杆及平台 Standard Type GB ICS 13.100 CCS 68 Status 即将实施 Issue Date 2025-12-31 Implementation 2027-01-01 Responsible Dept 应急管理部 Drafting Unit N/A