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Tunnel drilling apparatus and method to remove drill waste

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel driving apparatus

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel excavating machine

E - Fixed Constructions – 21 – C

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel excavating process and tunnel excavator

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel liner building method and building panels therefor

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel liners

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel lining

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel lining process and apparatus therefor

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel lining, segment therefore and method of lining a tunnel

E - Fixed Constructions – 21 – D

Patent

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Tunnel linings

E - Fixed Constructions – 21 – D

Patent

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Tunnel or road header

E - Fixed Constructions – 21 – C

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel rock drill

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunnel-drilling truck

E - Fixed Constructions – 21 – B

Patent

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Tunnel-driving machine

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunneling equipment

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunneling machine

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunneling machine

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunneling machine provided with a rotary tool carrying head...

E - Fixed Constructions – 21 – D

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunneling machine rotatable member

E - Fixed Constructions – 21 – B

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tunneling machines and other cutting machines

E - Fixed Constructions – 21 – C

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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