✦ LIBER ✦

Bola-Tek produces industrial ball valves

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Seal system for industrial valves – part

📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 265 KB

Accuracy of producing ball valve balls

✍ V. V. Zimin 📂 Article 📅 1978 🏛 Springer 🌐 English ⚖ 138 KB

4546953 Ball valve : Costantino Vincigue

📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 79 KB