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Ventilation, cooling and dust removal safety system for fully-mechanized excavation face of coal mine
Free accessEuropean Patent Office | 2024| -
Throttling expansion type gas dynamic and static exchange detection and treatment device for underground coal mine
Free accessEuropean Patent Office | 2022| -
Ventilation device with emergency protection effect for tunnel construction
Free accessEuropean Patent Office | 2022| -
Dust control and air distribution adjusting system and method for underground tunneling construction
Free accessEuropean Patent Office | 2023| -
Tunnel intelligent reversing ventilation device and ventilation system thereof
Free accessEuropean Patent Office | 2023| -
Pressurizing and ventilating system for construction tunnel
Free accessEuropean Patent Office | 2023| -
Mine underground roadway working environment intelligent regulation and control device
Free accessEuropean Patent Office | 2023| -
High-temperature zone tunneling roadway cooling system and equipment thereof
Free accessEuropean Patent Office | 2022| -
Gas tunnel construction environment monitoring and automatic control system
Free accessEuropean Patent Office | 2021| -
Coal mine underground ventilation adjusting device and method
Free accessEuropean Patent Office | 2023| -
Air exhaust and smoke exhaust system suitable for expressway tunnel
Free accessEuropean Patent Office | 2023| -
Air duct type oxygen supply and ventilation construction method for plateau long and large tunnel
Free accessEuropean Patent Office | 2022| -
Ventilation and smoke exhaust system and method suitable for metro interval tunnel and station tunnel
Free accessEuropean Patent Office | 2023| -
Ventilation and dust fall integrated pipeline device for high-altitude tunnel and construction method
Free accessEuropean Patent Office | 2023| -
Dust-proof ventilation device with filtering function for coal mining
Free accessEuropean Patent Office | 2023| -
Marine facies ultra-deep high-temperature hot water rock roadway digging and building ventilation cooling and heat damage treatment method
Free accessEuropean Patent Office | 2023|
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