VENTILATION GATE FOR RAILROAD TUNNEL
FIELD: ventilation of tunnels of electrified railroad; applicable in periods of repairs and mounting jobs with use of equipment with diesel engines. SUBSTANCE: ventilation gate is characterized by the fact that panel moved into tunnel is installed on flat car and provided with lifting and fixing dev...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
10.12.1998
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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