GB/T 17128.2-1997
ActiveSpecial postal envelope--International envelope on postal service
邮政特种信封 国际邮政公事信封
Application Summary AI generated
This standard specifies the dimensions, construction, and quality requirements for envelopes used exclusively for official international postal service correspondence. It is applied by postal administrations and envelope manufacturers to ensure uniformity and compatibility with automated mail processing equipment for cross-border government and postal authority communications.
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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.