SOFF X · AIHujjatingizni AI yaratsinSovg'ani olingMahsulot tavsifi
Study on the hardness and durability of rocks and minerals based on the classification of the Protodyakonov scale in the field of mining and engineering geology
#tog‘ jinslarining qattiqligi#protodyakonov shkalasi#muhandislik geologiyasi#pishiqligi
Muallif
Jamshid MuhammadiyevTasdiqlangan muallif
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