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    NIST National Institute of Standards and Technology www.nist.gov  
    ISO International Organization for Standardization www.iso.ch  
    ASTM American Society for Test and Materials www.astm.org  
    NACE   www.nace.org  
    IEEE The Institute of Electrical and Electronics Engineers, Inc. www.ieee.org  
    UL Underwriters laboratories Inc. www.ul.com  
    CSA Canadian Standards Association (CSA International) www.csa-international.org  
    DIN Deutsches Institut fur Normung e.V. www.din.de  
    VDI Verein Deutscher Ingenieure www.vdi.de  
    BSI British Standards Institution www.bsi.org.uk  
    CEN European Committee for Standardization www.cenorm.be  
    IEC International electrotechnical Commission www.iec.ch  
    AASHTO American Association of State Highway and Transportation Officials www.aashto.org  
    AATCC The American Association of Textile Chemists and Colorists www.aatcc.org  
    ACI American concrete Institute (ACI International) www.aci-int.net  
    AGMA American Gear Manufacturers Association www.agma.org  
    ANSI American National Standards Institute www.ansi.org  
    ASME The American Society of Mechanical Engineers www.asme.org  
    AWS American Welding Society www.aws.org  
    EIA Electronic Industries Alliance www.eia.org  
    FMVSS Federal Motor Vehicle Safety Standards www.nhtsa.dot.gov  
    IPC Association Connection Electronics Industries www.ipc.org  
    ISA International Society for Measurement & Control www.isa.org  
    MIL Army Research Laboratory www.arl.mil  
    NEMA National Electrical Manufacturers Association www.nema.org  
    NFPA The National Fluid Power Association www.nfpa.com  
    SAE Society of Automotive Engineers www.sae.org  
    TAPPI Advancing Technology and Professional Achievement in the Paper and Related Industries www.tappi.org  
    CNS Chinese National Standard www.cns.org.tw  
    CNLA Chinese National Laboratory Accreditation www.cnla.org.tw  
    IS Research, Designs, Standards Organization http://rdso.org  
    BSN National Standardization Agency of Indonesia www.bsn.go.id  
    GB China Standardization and Information Classifying and Coding Institute www.csicci.gov.cn  
    MS Standards and Industrial Research Institute of Malaysia www.sirim.my  
    SASO Saudi Arabian Standards Organization www.saso.org