China National Standards

China Characteristics synchronous digital GB Standards List

  •  China "Characteristics synchronous digital" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16712-2008 Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks
    同步数字体系（SDH）设备功能块特性    		 China National Standards
    Characteristics synchronous digital
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