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Introducing Nippon Civic
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Planning and Design
Testing and Quality Control
Management and Maintenance
Safety and Environment
Projects
Urban Shield Tunnels
Tokyo Metropolitan Subway Line No. 12 (Toei Oedo Line)
Submarine Shield Tunnels
Tokyo Bay Aqualine Tunnel
Immersed Tube Tunnels
Tokyo Port Daiichikoro Tunnel (Rinkai Tunnel)
Tokyo Port Tunnel
Tunnel Rehabilitation
Rehabilitation of the Ahmed Hamdi Tunnel under the Suez Canal
Special Technology
Specialized tunneling methods
Special Shield Tunnels
Library
Technical Reports
Technical Report 01
Technical Report 02
Technical Report 03
Technical Report 04
Technical Report 05
Technical Report 06
Technical Report 07
Technical Report 08
Technical Report 09
Technical Report 10
Patent
Coming soon
Corporate Social Responsibility
CSR
Coming soon
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