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明弧自保護堆焊焊絲 Cr55 2.8mm 3.2mm 58-62 Cr55是石墨型自保護堆焊藥芯焊絲，焊層平坦，電弧穩定，飛濺小。用途：明弧堆焊，無
Cr55Cr60Cr65耐磨板明弧藥芯堆焊焊絲
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唐山丹江焊接材料有限公司
Cr55 Cr60 Cr65耐磨板明弧藥芯焊絲
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