GB/T 7517-2004
ActiveMicrographics--Microfilming for ancient books on 16mm roll film
缩微摄影技术 在16mm卷片上拍摄古籍的规定
Application Summary AI generated
This standard specifies technical requirements for microfilming ancient Chinese books onto 16mm roll film, including image arrangement, reduction ratios, and quality control. It is applied in libraries, archives, and cultural heritage institutions to create preservation-quality microform copies of rare or fragile historical texts. The standard ensures consistent, legible, and durable microfilm records for long-term storage and access.
Related Standards
GB/T 20494.2-2006
Micrographics — Quality control of COM recorders that generate images using a single internal display — Part 2: Method of use
GB/T 20494.1-2006/ISO 14648-1:2001
Micrographics - Quality control of COM recorders that generate images using a single internal display - Part 1: Characteristics of the test target
GB/T 19475.2-2004
Micrographics--Methods of measuring image quality produced by aperture card scanners--Part 2:Quality criteria and control
GB/T 19475.1-2004
Micrographics--Methods of measuring image quality produced by aperture card scanners--Part 1:Characteristics of the test images
GB/T 19476-2004
Hard-copy output of engineering drawings--Specification for the structure of control files
GB/T 17739.3-2004
Microfilmingof technical drawings and technical documents--Part 3:Aperture card for 35mm microfilm
GB/T 19474.1-2004
Micrographics--Quality control of graphic COM recorders--Part 1:Characteristics of the test frames
GB/T 19474.2-2004
Micrographics--Quality control of graphic COM recorders--Part 2:Quality criteria and control
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