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Technology patent certifcate
A see-through and efficient damping soundproof window
2024-03-27
An efficient linear rainproof, soundproof and muffler lou…
2024-03-27
A high-efficiency curved soundproofing and silencer louve…
2024-03-27
An efficient sound-absorbing wedge
2024-03-27
A high-frequency silencer and heat dissipation device for…
2024-03-27
A high-efficiency soundproof door sealing sound gate stru…
2023-03-27
An efficient and convenient circuit board purging and vac…
2022-05-16
A high-efficiency ventilation fan muffler
2022-05-16
An intelligent and efficient train sweeping and vacuuming…
2022-05-16
Boheng purification detection, collection and analysis sy…
2022-04-18
Boheng Intelligent Detection and Acquisition Sound Analys…
2022-04-18
A patent for automatic sealing and adjusting sound insula…
2022-04-18
Air purification treatment shunt control unit chip
2022-04-18
A multifunctional sound-absorbing shutter
2022-04-18
An efficient and adjustable cooling tower ventilation and…
2022-04-18
A snap-on light steel keel damping device - utility model…
2022-04-18
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