Device for processing {HEAD ~ a material web} using ultrasound and having a support for {TAIL ~ the sonotrode} 
Device for processing { HEAD ~ a material web } using ultrasound and having a support for { TAIL ~ the sonotrode }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL