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    ? ??? ?? ??

    ?? 11??? ? ??? ?? ??? ??? ??? ??.

    ?? ???? ? ??? ?? ??? ??? ??? ??? ????: ??, ?? ?? ??, ??, ????.


    Standard Association of Australia (SAA), ? ??? ?? ??

    • AS 1462.14:1986 ???? PVC(UPVC) ??? ? ???? ?? ??? ??, ?? 14: UPVC ???? ? ??? ?? ??

    British Standards Institution (BSI), ? ??? ?? ??

    • BS 5293-15:1991 Sampling and testing carbon black for use in the rubber industry-Method for determination of light transmittance of toluene extract for product evaluation
    • BS ISO 13837:2008 ?? ??, ?? ?? ??, ?? ??? ?? ??

    General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ? ??? ?? ??

    Professional Standard - Railway, ? ??? ?? ??

    The Directorate General of Specifications and Metrology (DGSM) , ? ??? ?? ??

    GCC Standardization Organization, ? ??? ?? ??

    International Organization for Standardization (ISO), ? ??? ?? ??

    Gosstandart of Russia, ? ??? ?? ??

    國家市場監督管理總局、中國國家標準化管理委員會, ? ??? ?? ??





    ?2007-2025 ??? ??

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