Reflective Logo Retroreflectometer retroreflective coefficient cd .lx-1 .m-2
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                                            One key detection Patented Manufacturer UNS-JT Reflective logo Retroreflectometer optical system Accurate data Retroreflectometer is a portable on-site measuring instrument, used for the determination of night visibility of traffic signs and safety ......                                         
                                            HEFEI SYNTOP INTERNATIONAL TRADE CO.,LTD.
                                         
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