تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۹,۱۱ ثانیه یافت شد.

1. Construction safety

پدیدآورنده : Li, Rita Yi Man

کتابخانه: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)

موضوع : Safety measures ، Construction industry,Accidents Prevention ، Construction industry,، Electronic books

رده :

TH

443

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L5

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