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The ornamental design for an air-duct, as shown and described.
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Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
10088694, | May 08 2014 | Rolled elastomeric tubular casings for eyewear | |
3654966, | |||
4178067, | Jan 19 1978 | AMP Incorporated | Splicing optic waveguides by shrinkable means |
4691986, | Nov 06 1985 | Fitel USA Corporation | Aligned plug optical fiber connector with "contiguous" plugs, and method for using same |
5487412, | May 26 1993 | Schuller International, Inc. | Glass fiber airduct with coated interior surface containing a biocide |
7802412, | Mar 19 2003 | VESTAS WIND SYSTEMS A S | Method of constructing large towers for wind turbines |
20050109415, | |||
20090011270, | |||
D776801, | Jun 24 2014 | Kobe Steel, Ltd | Heat exchanger tube |
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