Ajiye 70% Kashe Amfani da Coupon
NB/T 47016-2011 Hausa Version - NB/T 47016-2011 Mechanical Property Tests of Product Welded Test Coupons for Pressure Equipments (Hausa Version): NB/T 47016-2011, NB 47016-2011, NB 47016-2011, NB-47016, NB-2011 T47016-47016, NB/T 47016, NB/T2011, NB47016-47016, NB 47016, NB2011, NBT47016-47016, NBT XNUMX, NBTXNUMX
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