Yurij Fyodorovich VEMEL'YANOV

Follow

Person

Taganrog Rostovskaya obl., RU

People

Patents Applicationslast 30 patents

Information Patent Application
TIGHTLY THREADED JOINT FOR OIL FIELD PIPES
- Publication number 20150008667
- Publication date Jan 8, 2015
- Boris Yur'evich SHCHERBAKOV
- E21 - EARTH DRILLING MINING