China 2:Use GB Standards List

China "2:Use" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 19897.2-2005	Automatic Meter Reading System Lower Layer Communication Protocol Part 2:Use of area networks on twisted pair with carrier signalling 自动抄表系统低层通信协议第2部分：基于双绞线载波信号的局域网使用	China National Standards 2:Use	English PDF

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