Turnover plate type variable traffic sign and working method
The invention relates to the technical field of traffic sign equipment, and particularly discloses a turning plate type variable traffic sign and a working method.The turning plate type variable traffic sign comprises a bottom plate and a controller, the controller is installed on the rear portion o...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
24.02.2023
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Subjects | |
Online Access | Get full text |
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