Intelligent key chain
The utility model relates to the technical field of key chains, and discloses an intelligent key chain which comprises a key chain body, a universal shaft is fixedly installed at the bottom of the key chain body, a fixing rod is fixedly installed at the bottom of the universal shaft, connecting plat...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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