GB/T 39889-2021
ActiveBraille writing board
盲文写字板
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for braille writing boards used by visually impaired individuals. It applies to the design, production, and quality inspection of manual braille writing tools, ensuring consistent dot spacing, board durability, and user safety. The standard is primarily used in educational institutions, rehabilitation centers, and assistive device manufacturing for the blind.
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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.