Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 6379-2025 Technical specification of SD-WAN controller valid
YD/T 638.1-1993 Type Designation for Products of Posts and Telecommunications Industry General Rules $104.00 via email in 1~3 business day valid
YD/T 638.10-1993 Type Designation for Radio, Microwave and Satellite Communication Equipments $130.00 via email in 1~3 business day abolished
YD/T 638.11-1993 Type Designation for Digital Communication Equipment $100.00 via email in 1~3 business day valid
YD/T 638.12-1993 Type designation for communications measuring instruments $260.00 via email in 1~3 business day abolished
YD/T 638.13-1993 Type Designation for Accessory Equipments of Telephone Exchange $84.00 via email in 1~3 business day valid
YD/T 638.14-1993 Type Designation System for Telephone Sets $104.00 via email in 1~3 business day valid
YD/T 638.15-1994 Type Designation for Data Communication Equipment $100.00 via email in 1~3 business day valid
YD/T 638.2-1993 Type Designation System for Optical Communication Equipment $184.00 via email in 1~3 business day valid
YD/T 638.3-1993 The naming rule of types of telecommunication power supply $184.00 via email in 1~3 business day superseded
YD/T 638.3-1998 The naming rule of types of telecommunication power supply $120.00 via email in 1~3 business day abolished
YD/T 638.4-1993 Naming rules for type of postal equipment $184.00 via email in 1~3 business day superseded
YD/T 638.5-1993 Type Designation System for Telephone Switchboards $104.00 via email in 1~3 business day valid
YD/T 638.6-1993 Type Designation for Telegraph Communication Equipment $184.00 via email in 1~3 business day valid
YD/T 638.7-1993 Type designation for carrier communication equipment $180.00 via email in 1~3 business day abolished
YD/T 638.8-1993 Type Designation for Facsimile Communication Equipments and Automated Office Equipment $84.00 via email in 1~3 business day valid
YD/T 638.9-1993 Nomenclature method of mail bag model $180.00 via email in 1~3 business day superseded
YD/T 6380-2024 Testing method of EVPN UMR $270.00 via email in 1~3 business day valid
YD/T 6380-2025 Testing method of EVPN UMR valid
YD/T 6381-2024 Technical requirements for EVPN UMR $255.00 via email in 1~3 business day valid


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