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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 1813-2008 Pump Laser Module of Fiber Amplifier for Communication Part 1: 980nm Pump Laser Modu

    China Telecommunication - YD Standards
    YD/T 1812.3-2008 Technical Specification and Testing of 10Gbit/s TOSA and ROSA Part3:10Gbit/s ROSA

    China Telecommunication - YD Standards
    YD/T 1812.1-2008 Technical Specification and Testing Method of 10Gbit/s TOSA and ROSA. Part1:10Gbit/s Uncooled TOSA

    China Telecommunication - YD Standards
    YD/T 1811-2008 Technical Requirements and Testing Method of Retiming Equipment Based on 2048kbit/s

    China Telecommunication - YD Standards
    YD/T 1810-2008 Testing Methods for SDH-Based MSTP Embedded With MPLS

    China Telecommunication - YD Standards
    YD/T 1808-2008 Testing Methods for Access Network Equipment-2nd-generation Asymmetric Digital Subscriber line (ADSL 2)and Extended Bandwidth 2nd-generation Asymmetric Digital Subscriber Line (ADSL 2plus)

    China Telecommunication - YD Standards
    YD/T 1807-2008 Technical Requirements for Access Network--Point to Point Optical Ethernet Access System

    China Telecommunication - YD Standards
    YD/T 1806-2008 The Technical Requirements for the Devices Based on IP in Remote Visual Surveillance System

    China Telecommunication - YD Standards
    YD/T 1805-2008 Test Method for Assistant Testing System Used for Interworking between Networks

    China Telecommunication - YD Standards
    YD/T 1804-2008 Technical Requirements of Assistant Testing System Used for Interworking between Networks

    China Telecommunication - YD Standards
    YD/T 1803-2008 Test Method for Presence Service Basing on IMS (Phase Άρ)

    China Telecommunication - YD Standards
    YD/T 1802-2008 Technical Requirements for Presence Service Basing on IMS(Phase Άρ)

    China Telecommunication - YD Standards
    YD/T 1801-2008 Security Technical Requirements of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Άς)

    China Telecommunication - YD Standards
    YD/T 1415-2008 Security Technical Specification of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network

    China Telecommunication - YD Standards
    YD/T 1377.3-2008 Test Methods of Service and Protocol of Peer to Peer Short Message Interworking between Networks. Part3:Test Methods of Peer to Peer Short Message Interworking between PLMN and PLMN

    China Telecommunication - YD Standards
    YD/T 1313-2008 Generic Distribution Cabinet for Broadband Access

    China Telecommunication - YD Standards
    YD/T 1188-2008 Technical Specification for Access Network. ADSL/ADSL2+CPE

    China Telecommunication - YD Standards
    YD/T 1174-2008 Telecommunication Cables. Central Office Coaxial Cables

    China Telecommunication - YD Standards
    YD/T 1095-2008 Uninterruptible Power Systems for Communications

    China Telecommunication - YD Standards
    SY/T 7504-2008 Determination of octane and hydrocarbon components before octane in crude petroleum. Gas chromatography

    China Oil & Gas Industry - YD Standards
    SY/T 5779-2008 Analytical method of gas chromatography on saturated hydrocarbons of rock chloroform extract and crude oil

    China Oil & Gas Industry - YD Standards
    SY/T 5628-2008 Hydraulic anchor

    China Oil & Gas Industry - YD Standards
    SY/T 5625-2008 Hydrostatic packer

    China Oil & Gas Industry - YD Standards
    SY/T 5094-2008 Sulfonated methyl pheuo-formaldehyde used in drilling fluids

    China Oil & Gas Industry - YD Standards
    SY/T 0611-2008 Requirements of controlling internal corrosion in gathering pipeline system for highly hydrogen sulphide gas field

    China Oil & Gas Industry - YD Standards
    SY/T 0076-2008 Code for design of natural gas dehydration

    China Oil & Gas Industry - YD Standards
    SY/T 0045-2008 Design specification of crude oil electric dehydration

    China Oil & Gas Industry - YD Standards
    DL/T 578-2008 Specification of computer supervision and control system for hydraulic powerplants

    China Electricity & Power - YD Standards
    DL/T 491-2008 Code for operating and overhauling of self-shung exciction system equipment of large and medium-sized hydraulic generator

    China Electricity & Power - YD Standards
    DL/T 1086-2008 Photoelectric type (CCD) hydrostatic level

    China Electricity & Power - YD Standards

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