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Yong’in eshiklarining aksessuarlari belgilangan yong’inga chidamlilik chegarasiga mos keladigan yong’inga qarshi muolajadan o’tishi kerak. Qaysi turdagi yong’in eshigidan qat’i nazar, C sinfidagi yong’inga qarshi eshikning yong’inga chidamliligi 0.5 soatdan kam bo’lmasligi kerak.

Yong’in eshigi 7301, yong’in eshigi 60, favqulodda chiqish 4 6-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door

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