![]() Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Methord of assessing the performance of low-energy contacts - Special tests 低压开关设备和控制设备 第5-4部分:控制电路电器和开关元件 小容量触头的性能评定方法 特殊试验 |
![]() Term for motorcycles and mopeds - Part 2: performance of vehicles 摩托车和轻便摩托车术语 第2部分:车辆性能 |
![]() Types, positions and performance requirements for controls of motorcycles and mopeds 摩托车和轻便摩托车操纵装置的型式、位置及基本要求 |
![]() Road vehicles - Multi-core connecting cables - Part 2: Test methods and requirements for high performance sheathed cables 道路车辆 多芯连接电缆 第2部分:高性能护套电缆的性能要求和试验方法 |
![]() Micrographics - Planetary camera systems - Test target for checking performance 缩微摄影技术 检查平台式缩微摄影机系统性能用的测试标板 |
![]() Micrographics - 16 mm planetary cameras - Test target for checking performance 缩微摄影技术 16mm平台式缩微摄影机用测试标板的特征及其使用 |
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