Robuta

https://patents.google.com/patent/CN203742738U/en CN203742738U - Noise treatment device for exhaust pipe - Google Patents The utility model discloses a noise treatment device for an exhaust pipe. The noise treatment device comprises a barrel, a noise reduction cavity is formed in... noise treatmentexhaust pipedevicegooglepatents https://patents.google.com/patent/CN218017426U/en CN218017426U - Noise treatment and heat dissipation device for high-precision machining center -... The utility model discloses a noise processing and cooling device for a high-precision machining center, which belongs to the technical field of machining... high precision machiningnoise treatmentheat dissipation