https://patents.google.com/patent/CN219816376U/en
CN219816376U - Raw material screening device for processing 2, 6-difluorobenzonitrile - Google...
The raw material screening device for processing the 2, 6-difluorobenzonitrile comprises a vibrating motor, a screen plate, an electric screw conveyor, an...
raw materialfor processingscreeningdevice