Luna Road社の、EDLC内蔵道路鋲

Luna Road Offers Customizable Solar Road Studs and Solar Cat Eyes.
Luna Road offers the choice of two different types of battery storage
capabilities: a Ni-MH
rechargeable battery and an ultracapacitor storage device. ...
http://www.24-7pressrelease.com/press-release/luna-road-offers-customizable-solar-road-studs-and-solar-cat-eyes-92319.php

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