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[patent_title] => 'COMMUNICATION APPARATUS, KEY SERVER, MANAGEMENT SERVER, COMMUNICATION SERVER, CONTENT DISTRIBUTION SYSTEM, COMMUNICATION METHOD, AND RECORDING MEDIUM'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/276835 | COMMUNICATION APPARATUS, KEY SERVER, MANAGEMENT SERVER, COMMUNICATION SERVER, CONTENT DISTRIBUTION SYSTEM, COMMUNICATION METHOD, AND RECORDING MEDIUM | Nov 23, 2008 | Abandoned |