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审查通过的国家标准（报批稿）简介A类（综合）缩微摄影技术技术图样和技术文件缩微摄初的质量标准与检验标准规定了用35mm银一明胶型黑白缩微胶片拍摄技术图样和技术文件的质量要求和检验方法。适用于缩微拍摄的各种技术图样及技术文件第一代、第二代及发行用的银盐片（COM胶?
(Draft for Approval) Brief Introduction to Class A (General) Photomicrography Technical and Technical Documents The quality standards and test standards for microtome photography prescribe the use of 35mm silver-gelatin black and white microfilm for technical drawings and technical documents Quality requirements and test methods. A variety of technical drawings and technical documents suitable for microfilm shooting The first generation, second generation and distribution of silver salt tablets (COM plastic?