Patent No. EP3992608 (titled "Method For Detecting Void In Concrete Composite Member Covered With Steel Plate Using Thermal Image, And Method For Managing Construction Of Concrete Composite Member Covered With Steel Plate By Applying Same") was filed by Korea Hydro & Nuclear Power on Jun 17, 2020. The application was issued on Jul 23, 2025.

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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