兑水 发表于 2009-11-9 09:18:35

ASTM E 1735-1995 曝光于4至25Mv的X射线放射的工业放射照相...

E1735-95(2000)e1 Standard Test Method for Determining Relative Image Quality of Industrial Radiographic Film Exposed to X-Radiation from 4 to 25 MV
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