21-01-2015, 05:16 AM
i wnt immediately a ppt on "ultrasonic spectacles and waist belt for visually impaired and blind persons
ppt ultrasonic spectacles and waist belt for visually impaired and blind persons
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ppt ultrasonic spectacles and waist belt for visually impaired and blind persons - by Guest - 21-01-2015, 05:16 AM
RE: ppt ultrasonic spectacles and waist belt for visually impaired and blind persons - by jaseela123d - 02-03-2017, 04:53 PM
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