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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1638-2007 |
Technical Specification for IPv4 Networks and IPv6 Networks Inter-networking Between Networks 跨运营商的ipv4网络与ipv6网络互通技术要求 |
China Telecommunication
Standards Technical Specification IPv4 |
 English PDF |
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