[Class : 17] Plastics Materials In The Form Of Plates [Semi Finished Products]; Acoustical Panels For Buildings; Acoustic Board For Ceilings [Insulation]; Composite Panels Having Insulating Properties; Panels Made Of Polyvinylchloride Based Expanded Polymer [Semi Finished]; Panels Made Of Vinyl [Semi Worked]; Acoustic Screens For Acoustical Insulation; Acoustic Insulating Pa...