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ViewSonic PX748-4K / AOV 140" 4:3 Manual Screen / Installation Service
ivan 
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1
Epson EB-W49 / Da-Lite 70inch Manual Screen / ELPAP11 Wifi Dongle / Installation Service
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Epson EB-PU2010B x 1 / EB-L630SU x 2 JK PB-S 275" 16:9 Electric Screen(全白幕) / PA system / 安裝工程
