Ching Chang

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Array ( [id] => 7771723 [patent_doc_number] => 20120037106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-16 [patent_title] => 'VALVE TRAIN FOR INTERNAL COMBUSTION ENGINES FOR ACTUATING GAS EXCHANGE VALVES' [patent_app_type] => utility [patent_app_number] => 13/262938 [patent_app_country] => US [patent_app_date] => 2010-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3570 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0037/20120037106.pdf [firstpage_image] =>[orig_patent_app_number] => 13262938 [rel_patent_id] =>[rel_patent_doc_number] =>)

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