China National Standards

China 400: GB Standards List

  •  China "400:" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 18978.400-2012 Ergonomics of human-system interaction - Part 400: Principles and requirements for physical input devices
    人-系统交互工效学 第400部分：物理输入设备的原则和要求    		 China National Standards
    400:
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