NAPM IT2.48:1993廢止
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.
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基本信息
標準編號： NAPM IT2.48:1993
標準類別：Standard
出版單位：National Association of Photographic Manufacturers, Inc.
標準頁數：20
標準簡介
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.
標準備注
Revision and redesignation of ANSI PH2.50-1983
本標準替代的舊標準
等同采用的國際標準
ISO 5799:1991 - Identical
