Traffic Sign Retro Reflective Meter Observation angle 0.2deg
                                         
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                                            UNS-JT Traffic Sign Retroreflectometer Quick detection Accurate data Manufacturer Patented optical system Retroreflectometer is a portable on-site measuring instrument, used for the determination of night visibility of traffic signs and safety garments. ......                                         
                                        
                                            HEFEI SYNTOP INTERNATIONAL TRADE CO.,LTD.
                                         
                                        
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