Title | manufacturing method of camera quadratic curved surface mirror of the multi-area monitoring system from single CCTV | ||||
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Department | Traffic/Transportation/Car Accessories | Year | 2014 | ||
Company | Korea Expressway Cor | Regist No | 10-0883159 | Date | 2014-12-15 |
manufacturing method of camera quadratic curved surface mirror of the multi-area monitoring system from single CCTV
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quadratic curved surface mirror structure built in camera of the multi-area monitoring system and manufacturing method for the same |
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Arrow signs for cars |