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China GB Standards List

 JTJ 307-2001  
Code for Design of Hydraulic Structures of ShiplocKs

船闸水工建筑物设计规范(附条文说明)
 YD/T 1172-2001  
Access NetworK Technical Specification. ISDN Basic Rate Access Interface (U Interface) Specification for Remote Equipment

接入网技术要求——接入网远端设备isdn基本速率接入接口(u接口)技术要求

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