A see-through and efficient damping soundproof window
An efficient linear rainproof, soundproof and muffler louver structure
A high-efficiency curved soundproofing and silencer louver
An efficient sound-absorbing wedge
A high-frequency silencer and heat dissipation device for wind turbines
A high-efficiency soundproof door sealing sound gate structure
An efficient and convenient circuit board purging and vacuuming device
A high-efficiency ventilation fan muffler
An intelligent and efficient train sweeping and vacuuming trolley
Boheng purification detection, collection and analysis system (software)
Boheng Intelligent Detection and Acquisition Sound Analysis System (Software)
A patent for automatic sealing and adjusting sound insulation door
Air purification treatment shunt control unit chip
A multifunctional sound-absorbing shutter
An efficient and adjustable cooling tower ventilation and noise reduction equipment
A snap-on light steel keel damping device - utility model patent certificate
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