China National Standards

China A 48 56 GB Standards List

  •  China "A 48 56" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16816-1997 A 48/56/64 kbit/s data circuit terminating equipment standardized for use on digital point-to-point leased circuits
    点对点数字租用电路上使用的48/56/64kbit/s数据电路终接设备技术要求    		 China National Standards
    A 48 56
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