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Mahsulot tavsifi

This product discusses the classification and characteristics of harmful gases and vapors, as well as the impact of breathing on health and methods for identifying and measuring gases and vapors in the workplace

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Muallif

Bobur Allayorov
Bobur AllayorovTasdiqlangan muallif
Hujjatlari
56 898
Sotilgan
3 781

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