File:Particle concentration Tokyo Osaka and Japanese national average.png

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日本語: 日本における粒子状物質の濃度のグラフ。東京(国設東京大気汚染測定所:東京都新宿区)、大阪(国設大阪大気汚染測定所:大阪市東成区)、および国内多数地点の平均値。

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Author Pekachu

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
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current14:23, 6 April 2014Thumbnail for version as of 14:23, 6 April 2014981 × 644 (63 KB)Pekachu (talk | contribs)User created page with UploadWizard

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