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
Safety requirements for fixed metal ladders and platform—Part 3: Industrial guardrails and platform
标准状态
发布于:2025-12-31
实施于:2027-01-01
废止
Safety requirements for fixed metal ladders and platform—Part 3: Industrial guardrails and platform