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source: bing
category: news/domestic
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region: JP
tags:
- domestic
- 毎日新聞デジタル
lang: ja
published_at: '2026-07-15T03:00:00Z'
fetched_at: '2026-07-15T21:31:37Z'
updated_at: '2026-07-15T21:31:54Z'
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title: スマホ画面や窓ガラス原料の「砂」 なぜ今、国内で供給不安?
---

# スマホ画面や窓ガラス原料の「砂」 なぜ今、国内で供給不安?

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- domestic / 毎日新聞デジタル

## Details
(本文なし。リンク先参照)

## Source
元記事: [スマホ画面や窓ガラス原料の「砂」 なぜ今、国内で供給不安?](https://mainichi.jp/articles/20260714/k00/00m/040/325000c) — published 2026-07-15T03:00:00Z