China National Standards

China calendars GB Standards List

  •  China "calendars" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 22777-2019 Numeral information calendars
    数码信息历    		 China National Standards
    calendars
    English PDF
    GB/T 22777-2008 Numeral information calendars
    数码信息历    		 China National Standards
    calendars
    English PDF

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