NAPM IT2.48 : 0已作廢
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 : 0
標準類別：Standard
出版單位：National Association of Photographic Manufacturers, Inc.
標準頁數：0
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.
本標準替代的舊標準
等同采用的國際標準
ISO 5799 : 1991(R2016) - Identical
