File:Communication-System.png
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Original file (6,090 × 1,506 pixels, file size: 69 KB, MIME type: image/png)
Summary
| Description |
English: Communication office phone systems |
| Date | |
| Source | Own work |
| Author | Hugo Spinelli |
Licensing
I, the copyright holder of this work, hereby publish it under the following licence:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighbouring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:28, 25 September 2016 | | 6,090 × 1,506 (69 KB) | wikimediacommons>Cmdrjameson | Compressed with pngout. Reduced by 82kB (54% decrease). |
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