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[id] => 18996863
[patent_doc_number] => 11913698
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-02-27
[patent_title] => Self-pressure-relief air distribution mechanism and cryogenic refrigerator using same
[patent_app_type] => utility
[patent_app_number] => 17/048902
[patent_app_country] => US
[patent_app_date] => 2018-05-16
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17048902
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/048902 | Self-pressure-relief air distribution mechanism and cryogenic refrigerator using same | May 15, 2018 | Issued |