TY - BOOK ID - 145998700 TI - La garniture de forage. Groupe 1, leçon 3 PY - 1970 PB - Paris : Technip, DB - UniCat KW - Rotary drilling. KW - Drill strings KW - Tool joints KW - Maintenance KW - Drill pipe KW - Drill holes KW - Drilling machines tools UR - https://www.unicat.be/uniCat?func=search&query=sysid:145998700 AB - ER -