CN111962410A
|
|
Ventilation fire-fighting type totally-enclosed sound barrier
|
CN111574107A
|
|
Thermosetting binder
|
CN111517746A
|
|
Fireproof sound absorption plate and preparation method thereof
|
CN111549923A
|
|
Fireproof plate and fireproof wall
|
CN111139011A
|
|
Thermosetting binder with low melting temperature
|
CN111138124A
|
|
Particle sound absorption board prepared from thermosetting binder with low melting temperature and application thereof
|
CN109706857A
|
|
Exoskeletal sound absorbing-insulating body, barriers exoskeletal sound barrier and its installation method
|
CN108800517A
|
|
Spread resonance muffler device and vent passages sound-attenuating system
|
CN108800518A
|
|
Spread silencing apparatus and vent passages sound-attenuating system
|
CN108831431A
|
|
Full range spreads silencing apparatus and vent passages sound-attenuating system
|
CN108863161A
|
|
A kind of impact resistance sound-absorbing material composition, impact resistance acoustic board and preparation method thereof
|
CN109008567A
|
|
A kind of combined sound insulation curtain
|
CN109025734A
|
|
A kind of ventilative acoustic screen and window assembly
|
CN108915545A
|
|
Ventilative interior window and the sash component of insulating against sound of one kind
|
CN108560746A
|
|
A kind of broadband composite acoustic board and the sound absorption wall being made of it
|
CN108301339A
|
|
A kind of sound absorption water guide module
|
CN108453955A
|
|
A kind of automatic distributing mechanism
|
CN108288212A
|
|
Detection device gives back management method, device, server and management system
|
CN108109054A
|
|
Detection device rent method, device and management system
|
CN108044760A
|
|
Personification makes real mechanism
|