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BSI British Standards Institute
استانداردهاي ملي انگلستان
BSI The BSI catalog contains over 50 000 standards in PDF format of which 31 000 are current. It includes standards of UK origin European standards from CEN/CENELEC and international standards from ISO and IEC which have been adopted in the UK. BSI standards cover building and civil engineering materials and chemicals electrotechnology consumer products and services healthcare management systems and information technology.
سال : 2020 تعداد :47645 دسته :General اشتراک :Subscribe پیمایش استانداردها >>


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