AECMA PREN 3512-1997 航空航天系列.钢FE-PL1801(100Cr6)真空感应熔炼和消耗电极调质的钢 轴承制造商用空芯棒3,5 mm小于或等于a小于或等于55 mm
Aerospace Series Steel FE-PL1801 (100Cr6) Vacuum Induction Melted and Consumable Electrode Remelted Hardened and Tempered Hollow Bars for Bearing 3,5 mm Less Than or Equal to a Less Than or Equal to 55 mm Issue P 2
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