GB/T9978 Fire Resistant Vertical Furnace For Building Components Fire Resistance

Ελεγκτής αντίστασης πυρκαγιάς
2025-11-14
Συνομιλία τώρα
Scope of application: It is applicable to determining the fire resistance characteristics of horizontal building components such as walls, beams, columns, floor slabs and ceilings under standard fire ... Δείτε περισσότερων
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