China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    QB/T 2622-2003 Type D hydrapulper

    China Light Industry - YD Standards
    SH 2604.01-2003 Water treatment chemicals. Hydroxyethylidenediphosphonic acid

    China Petrochemical Industry - YD Standards
    YD/T 1291-2003 Protocol of peer short message Interworking between networks

    China Telecommunication - YD Standards
    JJG 695-2003 Verification Regulation of Sulfur Hydrogen Gas Detectors

    China Metrological - YD Standards
    YD 5103-2003 Technical Specification for Construction and Acceptance of Telecommunication Conduit Engineering

    China Telecommunication - YD Standards
    YD 5012-2003 Insulation Objective to Ground and Testing Method for Optical Cable Link

    China Telecommunication - YD Standards
    YD 5007-2003 Communication Conduit and Passage Engineering Designing Standard

    China Telecommunication - YD Standards
    YD/T 1289.3-2003 Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 3: Network Management System (NMS) function

    China Telecommunication - YD Standards
    YD/T 1289.2-2003 Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 2: Element Management System (EMS) function

    China Telecommunication - YD Standards
    YD/T 1289.1-2003 Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 1: Basic principle

    China Telecommunication - YD Standards
    YD/T 1288-2003 Technical specification for IP telephony Interworking based on H.323 and SIP

    China Telecommunication - YD Standards
    YD/T 1286-2003 Technical specification of supplement services for IP telephony

    China Telecommunication - YD Standards
    SN/T 1303-2003 Method for the determination of benzoic acid, sorbic acid and p-hydroxybenzoates in royal jelly. Liquid chromatographic method

    China Import Export Inspection - YD Standards
    YD/T 1285-2003 The test method for quality of communication for inter-public telecom network. Call complete ratio and post-dialing delay for telephone call

    China Telecommunication - YD Standards
    YD/T 1284-2003 The technical requirement for quality of communia-cation for inter. public telecom network-call completion rate post dialing delay for telephone call

    China Telecommunication - YD Standards
    YD/T 1157.2-2003 The requirements for sending calling party number between network Supplementary ¢ò

    China Telecommunication - YD Standards
    YD/T 1283-2003 900/1800MHz TDMA digital cellular mobile communication network equipment test requirements for Unstructured Supplement Service Data (USSD)

    China Telecommunication - YD Standards
    YD/T 1282-2003 900/1800MHz TDMA digital cellular communication network equipment requirements for Unstructured Supplement

    China Telecommunication - YD Standards
    YD/T 1281-2003 Local telecommunications cable for broadband applications, polyolefin insulated copper conductors, laminated aluminium polyethylene sheath

    China Telecommunication - YD Standards
    YD/T 1280-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification. Interface definition based on CMIP

    China Telecommunication - YD Standards
    YD/T 1279-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification. Interface definition based on CORBA

    China Telecommunication - YD Standards
    YD/T 1278-2003 The technical demand and testing method for the charging performance of SPC. Telephone network part

    China Telecommunication - YD Standards
    YD 1268-2003 The safety specification and test method for lithium batteries and charger

    China Telecommunication - YD Standards
    YD/T 1277.1-2003 Technical specification and testing method of caller identity delivery based on PSTN. Part 1: Technical specification

    China Telecommunication - YD Standards
    YD/T 1276-2003 Testing methods of SDH multi-service transport platform

    China Telecommunication - YD Standards
    YD/T 1275-2003 Technical specification and testing method for N¡Á64kbit/s baseband modem

    China Telecommunication - YD Standards
    YD/T 1274-2003 Technical specification for optical Wavelength Divison Multiplexing (WDM) system. 160¡Á10Gb/s, 80¡Á10Gb/s part

    China Telecommunication - YD Standards
    YD/T 1273-2003 Technical specification for terminal equipment of optical Wavelength Division Multiplexing (WDM). 16¡Á10Gb/s and 32¡Á10Gb/s parts

    China Telecommunication - YD Standards
    YD/T 1272.1-2003 Optical filber connector. Part 1: Type LC

    China Telecommunication - YD Standards
    YD/T 1271-2003 Ring generator for telecommunication equipment

    China Telecommunication - YD Standards

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