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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    HG/T 4335.1-2012 Treatment and disposal method for acids spill. Part 1: Hydrochloric acid

    China Chemical Industry - YD Standards
    HG/T 4334.2-2012 Treatment and disposal method for alkalis spill. Part 2: Potassium hydroxide

    China Chemical Industry - YD Standards
    HG/T 4334.1-2012 Treatment and disposal method for alkalis spill. Part 1: Sodium hydroxide

    China Chemical Industry - YD Standards
    HG/T 3771-2012 m-(¦Â-Hydroxyethylsulfonyl) aniline

    China Chemical Industry - YD Standards
    HG/T 3770-2012 m-(¦Â-Hydroxyethylsulfonyl sulfate ester) aniline

    China Chemical Industry - YD Standards
    HG/T 2505-2012 Organic sulphur hydrogenation catalysts

    China Chemical Industry - YD Standards
    HG/T 2745-2012 2-Hydroxy-3-naphthoic acid

    China Chemical Industry - YD Standards
    QB/T 2753-2012 4-Methyl-5-(¦Â-hydroxyethyl)thiazole

    China Light Industry - YD Standards
    YD/T 1312.14-2012 Requirements and measurements methods of electromagnetic compatibility for radio communication equipment. Part 14:very small aperture teiminal, satellite interactive earth stations (operated in the frequency ranges between 4GHz and 30GHz in the fixed sate

    China Telecommunication - YD Standards
    YD/T 1312.12-2012 Requirements and measurement methods of electromagnetic compatibility for radio communication equipment. Part 12: fixed broadband wireless access system basestation and its ancillary equipment

    China Telecommunication - YD Standards
    YD/T 1269-2012 Gas turbine generator sets for telecommunications

    China Telecommunication - YD Standards
    YD/T 991-2012 Limits and methods of measurement of electromagnetic compatibility for communication instruments

    China Telecommunication - YD Standards
    YD/T 641-2012 General requirements and test methods for low frequency connectors of telecommunication equipment

    China Telecommunication - YD Standards
    YD/T 640-2012 General requirements and test methods for radio-frequency connectors of telecommunication equipment

    China Telecommunication - YD Standards
    YD/T 627-2012 Parameters, transmission characteristics and test methods of the digital relay interface (2048kbit/s) for digital switch

    China Telecommunication - YD Standards
    YD/T 2440-2012 Technical requirements for security of virtual tape library (VTL)

    China Telecommunication - YD Standards
    YD/T 2437-2012 General frmework and technical requirements of IoT (Internet of Things)

    China Telecommunication - YD Standards
    YD/T 2436-2012 Technical requirements and measurement method of the interface of multi mode terminal equipment

    China Telecommunication - YD Standards
    YD/T 2435.4-2012 Guide for energy saving technology of power supply and Room Environment for telecommnications. Part 4: Grade of energy efficiency of Air-conditioners

    China Telecommunication - YD Standards
    YD/T 2435.3-2012 Guide for energy saving technology of power supply and Room environment fo telecommunications. Part 3: Grade of energy efficiency of power supply

    China Telecommunication - YD Standards
    YD/T 2435.1-2012 Guide for energy saving technology of power supply and Room Environment for telecommunications. Part 1: General Rules

    China Telecommunication - YD Standards
    YD/T 2434-2012 Battery cabinet with temperature control system for telecommunications

    China Telecommunication - YD Standards
    YD/T 2433.1-2012 650nm Optical transceiver for plastic optical fiber. Part 1: 155Mb/s transceiver

    China Telecommunication - YD Standards
    YD/T 2430-2012 Technical requirement of DT CQT record file in TD-SCDMA/GSM dual-mode wireless access network

    China Telecommunication - YD Standards
    YD/T 2429-2012 The technical specification of lifecycle management for telecmmunication and Internet services

    China Telecommunication - YD Standards
    YD/T 2428-2012 Protocol conformance testing method for network management interfaces of IPv6 equipment

    China Telecommunication - YD Standards
    YD/T 2427-2012 2GHz TD-SCDMA digital cell mobile communications network. HSUPA management technical specification

    China Telecommunication - YD Standards
    YD/T 2426-2012 General technical requirements of interworking between different operators softswitch network

    China Telecommunication - YD Standards
    YD/T 2425-2012 Technical requirements of the session border controllerin unified IMS

    China Telecommunication - YD Standards
    YD/T 2424-2012 Technical requirement for converged IP messaging

    China Telecommunication - YD Standards

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