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[id] => 4616052
[patent_doc_number] => 07991501
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-02
[patent_title] => 'Method for determining machining plane of planar material, machining method and device for determining machining plane and flat surface machining device'
[patent_app_type] => utility
[patent_app_number] => 12/281847
[patent_app_country] => US
[patent_app_date] => 2007-02-19
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[pdf_file] => patents/07/991/07991501.pdf
[firstpage_image] =>[orig_patent_app_number] => 12281847
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/281847 | Method for determining machining plane of planar material, machining method and device for determining machining plane and flat surface machining device | Feb 18, 2007 | Issued |