✦ LIBER ✦

Driving of Boreholes in Soil by an Impact Device with Annular Tool

✍ Scribed by D. S. Vorontsov; A. M. Petreev; B. N. Smolyanitskii

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Borehole Driving with Pneumatic Punchers

✍ A. M. Petreyev; B. N. Smolyanitsky; B. B. Danilov 📂 Article 📅 2000 🏛 Springer 🌐 English ⚖ 124 KB