[Class : 9] Light Projection Apparatus; Optical Apparatus And Instruments; Eyepieces; Refractors; Light Emitting Electronic Pointers; Alarms; Acoustic [Sound] Alarms; Whistle Alarms; Luminous Beacons; Flashing Lights [Light Signals]; Optical Lamps / Optical Lanterns; Signaling Panels, Luminous Or Mechanical; Luminous Or Mechanical Signals; Sirens; Bells [Warning Apparatus]; Protection Devices For Personal Use Against Accidents; Image Projection Apparatus; Apparatus For Projecting A Contrasting Light/Dark Image; Light Projection Apparatus For Illuminating An Area Of Interest, For Example A Pedestrian Crossing, A Level Crossing, A Landing Zone For A Helicopter; Optical Apparatus For Safety Of Lifting Operations; Optical Apparatus To Be Installed On Lifting Apparatus; Projection Apparatus For Safety On Construction Sites.[Class : 37] Installation, Maintenance And Repair Of Optical Apparatus For Safety Of Lifting Operations; Installation, Maintenance And Repair Of Optical Apparatus On Lifting Apparatus For Safety Of Lifting Operations; Installation, Maintenance And Repair Of Projection Apparatus For Safety On Construction Sites.