GB/T 10609.4-2009
ActiveTechnical drawings - Requirements for microcopying
技术制图 对缩微复制原件的要求
Application Summary AI generated
This standard specifies the requirements for original technical drawings intended for microcopying, including line thickness, lettering size, and contrast. It is applied in engineering and manufacturing industries to ensure that drawings can be reliably reduced to microfilm without loss of legibility. The standard is used by designers, drafters, and document control professionals when preparing drawings for archival or reproduction purposes.
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Mechanical drawings--Dimensioning
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Mechanical drawings--Item references and its arrangement for assembling drawings
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.