Home / Standards / GB 7059.3-1986 GB 7059.3-1986 Abolished Safety standard for light metals portable stepladder 移动式轻金属折梯安全标准 Standard Type GB ICS 13.100 CCS C73 Status 废止 Issue Date 1986-12-09 Implementation 1987-10-01 Responsible Dept 应急管理部 Drafting Unit N/A