✦ LIBER ✦

Efficiency of roof bolts in pits of the “Primorskugol'” group

✍ Scribed by A. P. Shirokov; A. I. Slepokurov; V. M. Isachenko

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The effect of pit temperature on the eff

✍ G. D. Babe; É. A. Bondarev; M. A. Kanibolotskii; V. N. Skuba 📂 Article 📅 1973 🏛 Springer 🌐 English ⚖ 134 KB

Control of main roof caving by surface b

✍ A. E. Sleptsov 📂 Article 📅 1979 🏛 Springer 🌐 English ⚖ 313 KB

Optimizing the reinforcement effect of f

✍ B. Stimpson 📂 Article 📅 1987 🏛 Springer-Verlag 🌐 English ⚖ 733 KB

Increase in the resistance of mine worki

✍ L. M. Sinel'nikov; G. S. Kaimashnikov 📂 Article 📅 1975 🏛 Springer 🌐 English ⚖ 92 KB

95/05586 The efficiencies of cast blasti

📂 Article 📅 1995 🏛 Elsevier Science ⚖ 199 KB

Methods of increasing the efficiency of

✍ D. I. Fedorov; I. A. Nedorezov 📂 Article 📅 1965 🏛 Springer 🌐 English ⚖ 831 KB