气相防锈包装材料选用通则
General rules for Selection And using of packaging materials with volatile corrosion inhibitor
检测标准
声学关于空气噪声的测量及其对人影响的评价的标准的指南
Acoustics-Guide to standards on the measurement of airborne acoustical noise and evaluation ofits effects on human beings
国家基本比例尺地形图更新规范
Revision specificationsnfor the national fundamental scale topographic maps
人造气氛腐蚀试验 一般要求
Corrosion tests in artificial atmospheres-General requirement
声学机动车辆定置噪声声压级测量方法
Acoustics-Measurements of sound pressure level emitted by stationary roadnvehicles
声学 噪声性听力损失的评估
Acoustics-Estimation of noise-induced hearing loss
声学水声材料样品插入损失、回声 降低和吸声系数的测量方法
Acoustics-Measurement methods of Insertion loss,echo reduction and soundnabsorption coefficient for underwater acoustical material samples
声学标准超声功率源
Acoustics-Standard ultrasonic power source
国际贸易单证样式第1部分:纸质单证
Layout key for international trade documents-Part 1: Paper-based documents
城市地理要素编码规则 城市道路、道路交叉口、街坊、市政工程管线
Coding rules for urban geographical features-City roads,road intersections, blocks and municipal pipe lines
