alfaelec.aealfaelec.ae/uploads/fireflex.pdf · 2017. 10. 25. · bs 6387 cat. b iec 331 (3 h at 750...
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- alfaelec.aealfaelec.ae/uploads/fireflex.pdf · 2017. 10. 25. · BS 6387 cat. B IEC 331 (3 h at 750 C) BS 4066 part. 1 and 3 IEC 332-3 cat. C BS 6425 part. 1 E-C 754-1 BS 6724 ISO
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