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A FIRE-RATED VENTILATION DUCT AND A METHOD OF MANUFACTURING AND/OR INSTALLING SUCH VENTILATION DUCT IN A FIRE-RATED VENTILATION DUCT STRUCTURE PENETRATION ARRANGEMENT
InventionPending
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§ Ⅰ
Dossier Overview
Inventor
PEDERSEN, Kurt Munk; RÖDENBERGER, Jürg Dieter Stefan; THOMA, Markus
Filing Date
Feb 28, 2024
Publication Date
Jan 6, 2026
IPC Classification
F24FF16LF16LF16LF24F
CPC Classification
F24FF24FF24FF24F2221/30F16LF16LF16L
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