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Na u tseba a572 gr.50?
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Phapang lipakeng tsa I-Beam s355ml, S460j0, le s235Jr
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Khopiso ea boleng ba lihlahisoa tsa tšepe tsa kunsteel
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Mokhoa oa ho Khetholla Mokhahlelo oa Makhabu oa Maamerika A106B le A53
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Na u tseba seretse se tloaelehileng sa naha sa mothapo sa mothapo oa mothapo oa mothapo oa mothapo oa mothapo oa mothapo oa mothapo
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Kholiseho ea boleng ba Q235b Ganiveside
Quality assurance of Q235b galvanized pipe Q235b galvanized pipe is a common type of steel pipe, mainly used in fields such as construction, machinery, chemical industry, metallurgy, etc. Its material is Q235B carbon structural steel, and galvanizing treatment can improve its anti- Corrosio ...