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AISI American Iron and Steel Institute
انجمن آهن و فولاد آمريکا
AISI The American Iron and Steel Institute is an association of North American steel producers. With its predecessor organizations is one of the oldest trade associations in the United States dating back to 1855
سال : 2020 تعداد :163 دسته :Construct اشتراک :Subscribe پیمایش استانداردها >>


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