Home / Standards / GB/T 17888.3-2008 GB/T 17888.3-2008 Abolished Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails 机械安全 进入机械的固定设施 第3部分：楼梯、阶梯和护栏 Standard Type GBT ICS N/A CCS J09 Status Abolished Issue Date 2008-03-31 Implementation 2008-10-01 Centralized Committee 国家标准委 Issuing Authority 国家标准委