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Keywords:
GIE TRANSMANCHE CONSTRUCTION,
TUNNELS,
CHANNEL TUNNEL,
VENTILATION,
TUNNELLING,
REGULATIONS,
UNDERGROUND,
MARINE,
LAND,
OPERATIONS,
SYSTEMS,
SELECTION,
BLOWERS,
PIPES,
FANS,
AIR,
CHANNEL TUNNEL,
FRANCE
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© Thomas Telford and ICE
1994
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