LED (light emitting diode) lamp display device
The utility model discloses a LED (light emitting diode) lamp display device, it is installed in rotary device's pivot, and this LED (light emitting diode) lamp display device is including being the casing that rectangular form set up, and the casing runs through and is provided with the mounti...
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Format: | Patent |
Sprache: | chi ; eng |
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