| 摘要 |
PROBLEM TO BE SOLVED: To provide a hook ceiling capable of supplying direct-current power to two kinds of direct-current devices, one with hook blades, and the other with a plug. SOLUTION: A connector part 6 is provided capable of connecting with a pair of hook blades 5 of a direct-current device 102, and that, capable of supplying direct-current power to the direct-current device connected. Apart from the connector part 6, a direct-current receptacle part 8 is provided capable of connecting with a plug 7 (7a) of the direct-current device 102, and that, for supplying direct-current power to the direct-current device connected. COPYRIGHT: (C)2009,JPO&INPIT
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