Mahsulot tavsifi
Discusses underground drilling machines, rock drills, perforators, drilling units, and drilling rigs for mechanical rock destruction methods with cutting, impact, and simultaneous static or impact loading
#инструменты#разрушение#горные породы#бурильные установки
Muallif
Mevali HududTasdiqlangan muallif
- Hujjatlari
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- Sotilgan
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