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Sheets
20020840
28
Assembly of the 9 meter drill head of the TBM tunnel boring machine at the south portal of the NEAT Gotthard, Bodio 2002.
Sheet 20020840 Photo 28
Color:
Black & White
Type:
Positive
,
Negative
,
Digital
Formats:
13x18
Country:
Schweiz
Region:
Bodio
Place:
Tessin
Date:
Mar 4, 2003
Keywords:
Bahn
,
Transport
,
Tunnelbau