1.2549材質單1.2549用途
1.2549在文件做單熟悉1.2549現今售價1.2549內容1.2549產品簡價1.2549有機化學物質反應精分等等這些請見簡介:++++++++++++++++++在文件做單有機化學物質反應精分++++++++++++++++++1.2549文件號:1.2549EN類型:50WCrV8實行要求:ENISO4957用具鋼C0.45-0.55Si0.7-1,圓棒,Mn0.15-0.45,有機化學物質反應精分,Pmax?0.03Smax?0.03Cr0.9-1.2Mo1.7-2.2V0.1-0.2洛氏硬度HB:229大于是相關聯1...
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