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Professional Standard - Traffic, ??? ??

Professional Standard - Post and Telecommunication, ??? ??

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ??

Professional Standard - Public Safety Standards, ??? ??

Henan Provincial Standard of the People's Republic of China, ??? ??

Professional Standard - Business, ??? ??

Professional Standard - Postal Service, ??? ??

Shandong Provincial Standard of the People's Republic of China, ??? ??

Professional Standard - Press and Publication, ??? ??

Inner Mongolia Provincial Standard of the People's Republic of China, ??? ??

工業(yè)和信息化部, ??? ??

國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局, ??? ??

Korean Agency for Technology and Standards (KATS), ??? ??

International Telecommunication Union (ITU), ??? ??

Standard Association of Australia (SAA), ??? ??

ZA-SANS, ??? ??

European Committee for Standardization (CEN), ??? ??

GSO, ??? ??

未注明發(fā)布機(jī)構(gòu), ??? ??

Xinjiang Provincial Standard of the People's Republic of China, ??? ??

SCC, ??? ??

British Standards Institution (BSI), ??? ??





?2007-2024 ??? ??

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