Handbook of Mining and Tunnelling Machinery
STACK, BARBARA
Handbook of Mining and Tunnelling Machinery - New Delhi John Wiley 1982
TUNNELING MACHINERY ---HISTORY
MINING MACHINERY--HISTORY
D6,3(D2:1) / STA
Handbook of Mining and Tunnelling Machinery - New Delhi John Wiley 1982
TUNNELING MACHINERY ---HISTORY
MINING MACHINERY--HISTORY
D6,3(D2:1) / STA