China National Standards

China NT1 GB Standards List

  •  China "NT1" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16654-1996 Technical requirements for ISDN(2B+D)NT1 user-network interface equipment
    ISDN(2B+D)NT1用户-网络接口设备技术要求    		 China National Standards
    NT1
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