通过使用本标准，更容易确定均匀微缩胶片载体的分类，该标准定义了测量卡片层压板的组合厚度以及卡片和微缩胶片的孔径粘合剂的方法。

Determine the classification of uniform microfilm carriers more easily by using this standard, which defines the method for measuring combined thickness of the card laminate and the aperture adhesive of the card and microfilm.