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GB/T 19520.12-2009
电子设备机械结构 482.6mm(19in)系列机械结构尺寸 第3-101部分:插箱及其插件
Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 3-101: Subracks and associated plug-in units
GB 4053.2-2009
Safety requirements for fixed steel ladders and platform - Part 2: Steel inclined ladders
GB/T 37119-2018
Specification for collecting and processing Volunteered geographic information
GB/T 2423.7-2018
环境试验 第2部分:试验方法 试验Ec:粗率操作造成的冲击(主要用于设备型样品)
Environmental testing—Part 2:Test methods—Test Ec:Rough handling shocks,primarily for equipment—type specimens





