Multifunctional electric vehicle umbrella device and automatic control system
The invention discloses a multifunctional electric vehicle umbrella device and automatic control system. The multifunctional electric vehicle umbrella device and automatic control system comprise umbrella cloth, umbrella ribs, a retractable umbrella rod, an illumination sensor, a raindrop sensor, a...
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Format: | Patent |
Sprache: | chi ; eng |
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