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Entry |
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Perforated Panels for Construction and Highway Noise Control (on-line), dated Dec. 27, 2016. Retrieved from Internet Apr. 23, 2019, URL: https://web.archive.org/web/20161227131803/https://www.perforated-metal.net/perforatedmetal/perforated-metal-sheet-noise-barrier.html (1 page) (Year: 2016). |
Number | Date | Country | |
---|---|---|---|
Parent | 15354537 | Nov 2016 | US |
Child | 29647645 | US |