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ペーパースピーカーとは紙のように薄い素材から音を出す特許技術です。 "paper speaker" is a patented technology that sounds from the material as thin as paper.
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ペーパースピーカーとは紙のように薄い素材から音を出す特許技術です。 "paper speaker" is a patented technology that sounds from the material as thin as paper.
Visit site »
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