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시소의 원리에 의한 놀이기구
InventionPending
§ Ⅰ
Dossier Overview
Inventor
민병곤
Filing Date
Feb 28, 2025
Publication Date
Dec 31, 2025
IPC Classification
A63G 31/2A63G 11/
CPC Classification
A63G31/2A63G11/
External Resources
Inventor
민병곤
Filing Date
Feb 28, 2025
Publication Date
Dec 31, 2025
IPC Classification
CPC Classification
External Resources