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                            Palmprint recognition with filter Palmprint recognition with filter 
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                            Photosensitive resistance filter Photosensitive resistance filter 
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                            Security cameras, camera filters filter Security cameras, camera filters filter 
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                            760nm long wave pass filter ( LP760 ) 760nm long wave pass filter ( LP760 ) 
 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                