GB/T 17739.3-2004
ActiveMicrofilmingof technical drawings and technical documents--Part 3:Aperture card for 35mm microfilm
技术图样与技术文件的缩微摄影 第3部分:35 mm缩微胶片开窗卡
Application Summary AI generated
GB/T 17739.3-2004 specifies the dimensions, format, and quality requirements for aperture cards used to mount 35mm microfilm frames of technical drawings and documents. It is applied in engineering, manufacturing, and archival contexts where long-term storage and retrieval of precise technical illustrations (e.g., blueprints, schematics) is needed, ensuring compatibility with microfilm readers and reproduction systems.
Related Standards
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 20494.2-2006
Micrographics — Quality control of COM recorders that generate images using a single internal display — Part 2: Method of use
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 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
GB/T 7517-2004
Micrographics--Microfilming for ancient books on 16mm roll film
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