General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 18594-2001
Scope
This standard specifies the basic requirements for fonts in technical product documents prepared using computer-aided design and drafting (CADD), including basic conventions and rules for CAD fonts. This standard applies to digital writing techniques and drawing systems.
GB/T 18594-2001 history
2001GB/T 18594-2001 Technical product documentation--Lettering CAD lettering of the latin alphabet numerals and marks