标 准 编 号:BS EN 462-5-1996 简体中文标题:无损检验.射线照相的图象质量.图象质量显示器(双线型)图象不清晰值的测定 繁体中文标题:无损检验.射线照相的图象质量.图象质量显示器(双线型)图象不清晰值的测定 English Name:Non-destructive testing - Image quality of radiographs - Image quality indicators (duplex wire type), determination of image unsharpness value