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En Tested Fire Proof Door Retardant Seals Smoke Intumescent Fire Seal
2025-04-13
introduction 5000
BY-NFS2010
Expandable Graphite
Fire Widows and Doors
15-30 Times
Soundproof Smoke and Fire Prevention
25m/Roll
2000m
BY
25m/Roll
20x1.0mm
Zhejiang
392690
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