[Class : 9] Protection Helmets Of All Kind And Their Parts, Including Crash Helmets, Motor Cycle Helmets And Steel Helmets; Glasses Fitted For Crash Helmets, Face Shields, Heat Curtains (Safety Curtains) As Part Of Protection Helmets And Capsules For Ear Protection; Equipment For Head Protection, Namely Visors, Ear Protection Shells And Gas Masks; Optical Apparatus And Instruments; Apparatus For Recording, Transmission And Reproduction Of Data, Sound (Including Speech) And Images, In Particular Intercommunication Systems For Protection Helmets Of All Kind; Mp3 Recorder And Mp3 Player; Transmitter And Receivers For Electronic Signals; Transceiver, Including Digital Transceiver; Software And Hardware As Far As Included In This Class, Electronic Communication Apparatus.