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SDI
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Steel Door Institute
موسسه دربهاي فولادي
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The Steel Door Institute (SDI) was established in 1954 as a voluntary non-profit business association that develops quality and performance standards for steel doors and frames.
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سال :
2023
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تعداد :47
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دسته :Construct
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اشتراک :
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پیمایش استانداردها >>
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