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Raising the roof A Norwegian developed mini TBM for drilling blind raise bores for mining and tunneling applications
Raising the roof A Norwegian developed mini TBM for drilling blind raise bores for mining and tunneling applications
Raising the roof A Norwegian developed mini TBM for drilling blind raise bores for mining and tunneling applications
Ground engineering ; 28
1995
Aufsatz (Zeitschrift)
Unbekannt
British Library Online Contents | 1995
Engineering Index Backfile | 1956
Unusual tunneling machine bores tunnels for missile base
Engineering Index Backfile | 1959
Powerful jacks raise hangar roof
Engineering Index Backfile | 1969
Skyhooks raise roof, cut costs
Engineering Index Backfile | 1949
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