YZ/Z 0020-2001
Specifications for data exchange between express mail tracking and query system and information center information exchange processing system (English Version)

Standard No.

YZ/Z 0020-2001

Language

Chinese, Available in English version

Published By

Professional Standard - Postal Service

Latest

YZ/Z 0020-2001

YZ/Z 0020-2001 history

• 1970 YZ/Z 0020-2001 Specifications for data exchange between express mail tracking and query system and information center information exchange processing system