mr biplab roy choudhuri

titleISBN-13
(ISBN-10)
year of publication
drilling rig mechanical equipment sop: it tells about the drilling equipment procedure of starting up978-1-5148-2877-9
(1-5148-2877-4)
2015
SAFE OPERATING PRACTICES978-1-5121-7042-9
(1-5121-7042-9)
2015

B. C · B. Roy · M B · M.C. · m r · M. Roy · Mr. B · Mr. R. · R. C. · Roy C.

Mr. Birger Gerhardsson