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发明专利patent.status.granted
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§ Ⅰ

卷宗概要

发明人

김대규

申请日

Apr 29, 2020

公开日

Dec 31, 2025

IPC 分类

H1M 50/147H1M 10/4H1M 50/10H1M 50/183H1M 50/528H1M 50/531

CPC 分类

H1M50/147H1M10/427H1M10/431H1M50/109H1M50/153H1M50/183H1M50/528H1M50/538