Karanam, Umamaheshwar Rao
Principles of Rock Drilling - NEW DELHI Oxford & IBH Publishing 1998 - 265p.,24X15Cms.
Percussive Drilling
Rock Drilling
622.23 K18P
Principles of Rock Drilling - NEW DELHI Oxford & IBH Publishing 1998 - 265p.,24X15Cms.
Percussive Drilling
Rock Drilling
622.23 K18P