GB/T 9056-2004
ActiveMetal ruler
金属直尺
Application Summary AI generated
GB/T 9056-2004 specifies the dimensional, material, and accuracy requirements for metal rulers used as basic linear measuring tools. It is applied in manufacturing, quality inspection, and mechanical workshops for measuring lengths up to 1000 mm with defined tolerance classes. The standard ensures consistency in ruler graduation and durability for routine industrial and laboratory length measurements.
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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.