人类工效学 险情和信息的视听信号体系
Ergonomics-System of auditory and visual danger and information signals
检测标准
测风雷达通用规范
General specification for wind-finding radar
信息技术维吾尔文通用键盘字母数字区布局
Information technology-Universal keyboard layout of the alphanumeric zone for Uyghur
人类工效学 险情视觉信号 一般要求、设计和检验
Ergonomics - Visual danger signals - General requirements,design and testing
人类工效学 公共场所和工作区域的险情信号 险情听觉信号
Ergonomics - Danger signals for public and work areas - Auditory danger
纤维光学衰减器 第一部分:总规范(可供认证用)
Fibre optic attenuators--Part 1:Generic specification
木质活性炭试验方法灰分含量的测定
Test methods of wooden activated carbon Determination of ash content
铷原子频率标准通用规范
Generie specification of rubidium frequency standard
三相异步电动机经济运行
Three-phase induction motor's economic operation
木质活性炭试验方法重金属的测定
Test methods of wooden activated carbon Determination of heavy metals
