| 摘要 |
A flat extension cord that provides electrical power and/or digital data interconnectivity to a device. Preferably, the flat, retractable extension cord is rewindable into a housing much like a tape measure. The flat extension cord has a first end attached to a spool mechanism, a second end extending from the housing. The extension cord includes an elongate dielectric strip having a substantially concave cross-section which house a plurality of flexible electric conductors.
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