NAPM IT2.48:1993废止
Photography - Direct-exposing Medical And Dental Radiographic Film/process Systems - Determination Of Iso Speed And Iso Average Gradient
出版：National Association of Photographic Manufacturers, Inc.
专家解读视频
基本信息
标准编号： NAPM IT2.48:1993
标准类别：Standard
出版单位：National Association of Photographic Manufacturers, Inc.
标准页数：20
标准简介
Determines the ISO average gradient and speed of film/process combinations that are used in dental and medical radiography other than mammography. Describes the films exposed directly to X-rays.
标准备注
Revision and redesignation of ANSI PH2.50-1983
本标准替代的旧标准
等同采用的国际标准
ISO 5799:1991 - Identical
