Key case
A key case is characterized in that a transparent plastic film with an opening is fixedly connected to the surface of a case body, an illuminator arranged at one end of the case body consists of a bulb, a battery and a switch which are in series connection, a heating device arranged inside the case...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A key case is characterized in that a transparent plastic film with an opening is fixedly connected to the surface of a case body, an illuminator arranged at one end of the case body consists of a bulb, a battery and a switch which are in series connection, a heating device arranged inside the case body consists of a heating plate, a battery and a switch which are in series connection. Compared with the prior art, the key case has the advantages of novel structure, wide application, convenience, practicability and the like. |
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