✦ LIBER ✦

Pilger rolling of hollow square drilling rods

✍ Scribed by Yu. Shevakin; B. N. Matveev; G. A. Bibik; G. A. Karpov

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Rolling of weighted drill pipes on a pil

✍ B. N. Matveev; V. D. Dmitriev; G. A. Bibik; G. A. Karpov; A. D. Tereshchenko; V. 📂 Article 📅 1970 🏛 Springer US 🌐 English ⚖ 227 KB

Rolling the thread on the heads of hollo

✍ N. M. Agaev; A. Yu. Alekperov; S. B. Gatamov; N. M. Rasulov; A. A. Bushnev 📂 Article 📅 1982 🏛 Springer 🌐 English ⚖ 403 KB