Rating of sound insulation for dwellings.
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Geneva :
International Organization for Standardization,
1968 (repr. 1969)
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| 叢編: | I.S.O. Recommendation R717-1968(E).
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| 主題: |
| 實物描述: | 7p. |
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