GB/T 18121-2000
AbolishedAudio visual，video and television equipment and systems--Video tape leader and trailer for education and training applications
视听、视频及电视设备和系统 教育和训练用录像磁带的引带和尾带
Application Summary AI generated
This standard specifies the technical requirements for video tape leaders and trailers used in educational and training applications. It defines the physical and recording characteristics of these tape segments to ensure compatibility and proper identification across audio-visual, video, and television equipment. The standard is applied in the production and use of video tapes for classroom instruction, corporate training, and other educational media systems.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.