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PTI
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Post-Tensioning Institute
موسسه پس از تنش
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The Post-Tensioning Institute is a not-for-profit trade association committed to advancing the quality, safety, efficiency, profitability, and use of post-tensioning systems.
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سال :
2018
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تعداد :43
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دسته :Special
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اشتراک :
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پیمایش استانداردها >>
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