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Search results: "atmosfera havosini muhofaza qilish"
456 files found
DOCX
atmosfera va uni muhofazasi
PPTX
atmosfera havosini avtotransport bilan ifloshlanishi ekolo-gigiyenik baholash
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atmosfera havosini ifloslanishi va uning inson organizmga tasiri
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atmosfera havosini ifloslantiruvchi ishlab chiqarish obyektlari va jarayonlari
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atmosfera havosining ifloslanishi va unikamaytirish usullari
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atmosfera havosining ifloslanishi va tabiiy tozalanish
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mehnatni muhofaza qilish
PPT
mehnatni muhofaza qilish
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mehnatni muhofaza qilish
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gidrosferani muhofaza qilish
PDF
tabiatni muhofaza qilish
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gidrosferani muhofaza qilish