DB21/T 1641-2025 Active Liaoning ProvinceLocal standards

DB21/T 1641-2025 Urban rail transit automatic fare collection system technical specification communication interface

Publish Date: 2025-07-30 Implement Date: 2025-08-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DB21/T 1641-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Terminology and symbols

ICS Name: Public information symbols

Publish Date: 2025-07-30

Implement Date: 2025-08-30

Development Information

Replace the following standards

DB21/T 1641-2008 Urban rail transit automatic fare collection system communication data interface specification

Related Standards

GB 7291-1987 Replaced

GB 7291-1987 General requirements of graphical symbols concerning consumer interest

Publish Date: 1987-02-24

GB/T 1252-1989 Replaced

GB/T 1252-1989 Graphical symbols—Arrows and their use

Publish Date: 1989-03-22

GB/T 12103-1990 Replaced

GB/T 12103-1990 Procedures for the development and testing of graphical symbols for use on signs

Publish Date: 1990-03-26

GB/T 14543-1993 Replaced

GB/T 14543-1993 Principles for the visual design of graphical symbols for use on signs

Publish Date: 1993-06-10

GB 15093-1994 Replaced

GB 15093-1994 National emblem

Publish Date: 1994-06-22

GB 16690-1996 Replaced

GB 16690-1996 Regional emblem of Hong Kong special administrative region

Publish Date: 1996-12-25