空中交通管制机载应答机通用规范
General specification for airbrone transponder of air traffie control
检测标准
空中交通管制二次监视雷达通用规范
General specification for secondary surveillance radar of airtraffic control
噪声发生器通用规范
General specification for noise generator
矿用一般型电气设备
Mining electrical apparatus for non hazardous area
带电作业用铝合金紧线卡线器
Aluminium alloy grip clamps of tension wire for live working
深度千分尺
Depth micrometer
公法线千分尺
Micrometer for measuring root tangent lengths of gear teeth
用于校准剂量仪和剂量率仪及确定其能量响应的X和γ参考辐射 第4部分：低能X射线参考辐射场中场所和个人剂量仪的校准
X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - Part 4: Calibration of area and personal dosemeters in low energy X reference radiation fields
工业循环冷却水和锅炉用水中溶解氧的测定
Determination of dissolved oxygen in water for industrial circulating cooling system and boiler
外径千分尺
External micrometer
