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A kind of drive heat structure of video conference device
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A kind of dust protection equipment based on box body
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Use the protection device in projector equipment
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The fixed equipment of projector curtain
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A kind of fastener based on connecting line
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Noise echo eliminating device based on video conference
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A kind of intelligence system on video conference
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A kind of video conferencing system exchanged with font
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Position rotating system based on picture pick-up device
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Rotary fixing device on picture pick-up device
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Projection structure with efficient anti-gray function
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A kind of video conference accesses access system
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Projector equipment with long service life
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Intelligent multidigit HD video conference system
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Dust-filtering system is shown in multifunctional visible meeting
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Suitable for the system of registering of video conference
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Three-point fix projection correction system
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A kind of durable meeting shadow equipment
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Projection arrangement with high stability
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Dedusting stabilization system based on meeting projecting device
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