A gas drainage device for coal mine gas control

ZA202608685APending Publication Date: 2026-09-30SHAANXI COAL IND XIAOBAODANG MINING CORP LTD +1
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Patent Information

Application Number
ZA202608685
Authority / Receiving Office
ZA · ZA
Patent Type
Applications
Current Assignee / Owner
Filing Date
2026-09-02
Publication Date
2026-09-30
Patent Text Reader

Abstract

NOT VISIBLE DUE TO STATUS OF PATENT
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