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Description of electric and mechanical equipment for ventilation, lighting and plumbing in Pennsylvania Turnpike tunnels; fan tests; CO control; utilities operation.
Description of electric and mechanical equipment for ventilation, lighting and plumbing in Pennsylvania Turnpike tunnels; fan tests; CO control; utilities operation.
Utility equipment for tunnel operation
Roads Streets
Marty, E.C. (author)
Roads and Streets ; 83
1940
2 pages
Article (Journal)
English
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Utility tunnel excavation equipment and excavation method
European Patent Office | 2023
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