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| Category:Communication |
| Modification date "Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
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17:34:34, 12 January 2012 + |
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| Subcategory of | Main topic classifications + |
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| Category:Communication by type + , Category:Communications by country + , Category:Encodings + , Category:History of communication + , Category:Language + | Subcategory of |
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