1. Drilling technology Hand book

Author:

Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)

Classification :
TJ1260
.
C25

2. Drilling technology handbook

Author:

Library: Library of Niroo Research Institue (Tehran)

Subject: ، Drilling and machinery

Classification :
TJ
1260
.
C5

5. Drilling technology handbook

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: Drilling and boring

Classification :
TJ
1260
.
C48

6. Drilling technology handbook

Author:

Library: Library of Faculty of Natural Resources (Alborz)

Subject: Boring,Borings,Boring machinery,Hydraulic engineering

Classification :
TD
412
.
C44
1977