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US3862411A
(en)
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Apparatus for outdoor lighting, especially for traffic signs
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一种透明车窗投影显示系统
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一种基于天气可见度变化的交通照明系统
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自动防灯头坠落自动升降路灯
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BE533156A
(index.php)
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(en)
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Display device
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(zh)
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一种出租车车顶的旋转广告牌
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(en)
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Floodlight
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Electrical display device
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可调灯光变色器
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(en)
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Illuminated display device
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(en)
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Combined clock and signal with time lapse indicator
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(en)
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Slide projector for producing animated images
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|
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(en)
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Sign advertising apparatus
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|
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(en)
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Electric sign
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|
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(en)
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Highway traffic signal
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DE578021C
(de)
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Schaltvorrichtung fuer Signale zur Verkehrsregelung
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SU55929A1
(ru)
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Рекламное стробоскопическое-устройство
|
|
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(en)
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Traffic light
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一种旋转式发光字灯箱
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SU19906A1
(ru)
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Рекламное устройство дл получени смен ющихс изображений
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(en)
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Signaling device
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(en)
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Device for the production of apparently-moving display matter
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(en)
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Signal device
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GB308910A
(en)
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An electric flasher
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