| 摘要 |
PROBLEM TO BE SOLVED: To provide a single tube or a telescopic pole utilizable as an extension plug socket for electric use. SOLUTION: An electric wire is arranged in the single tube or the telescopic pole, and a socket for connection is mounted on one end or both ends of the electric wire. The simple extension plug socket can be provided by extending the electric wire and connecting it to a floor side plug socket. COPYRIGHT: (C)2007,JPO&INPIT
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