SIS SS IEC 520-1989 X-ray equipment Entrance fieldsizes of electrooptical X-ray image intensifiers《X射线设备 光电X射线图象增强器入射野尺寸》.pdf

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EN 112001-1991 en Blank Detail Specification Image Converter and Image Intensifier Tubes《空白详细规范 图象转换器和图象增强管》.pdf

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