兑水 发表于 2009-9-14 08:59:47

ASTM B 724-2000 用新式轻便非卡尺型仪器测量铝合金压痕硬度...

B724-00 Standard Test Method for Indentation Hardness of Aluminum Alloys by Means of a Newage, Portable, Non-Caliper-Type Instrument
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