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(
[id] => 3826221
[patent_doc_number] => 05790170
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-08-04
[patent_title] => 'Two-way information transmission system and two-way information transmission method'
[patent_app_type] => 1
[patent_app_number] => 8/843247
[patent_app_country] => US
[patent_app_date] => 1997-04-14
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[pdf_file] => patents/05/790/05790170.pdf
[firstpage_image] =>[orig_patent_app_number] => 843247
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/843247 | Two-way information transmission system and two-way information transmission method | Apr 13, 1997 | Issued |