China National Standards

China 222: GB Standards List

  •  China "222:" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 19882.222-2017 Automatic meter reading system—Part 222: Physical layer(PHY) specifications—Wireless communication meter reading system
    自动抄表系统 第222部分：无线通信抄表系统 物理层规范    		 China National Standards
    222:
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