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図4-1-16 一酸化炭素濃度の年平均値の推移（昭和45年度～平成26年度）
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Additional Information
| Title | 図4-1-16 一酸化炭素濃度の年平均値の推移（昭和45年度～平成26年度） |
|---|---|
| URL | https://www.env.go.jp/policy/hakusyo/h28/excel/fd2_4_1_16.xls |
| Description | |
| Format | XLS |
| File Size | 30.5 KiB |
| Last Modified Date | November 4, 2024 |
| License | CC-BY |
| Copyright | |
| Language | jpn |