DB42/T 289-2004 in English

Laifengtengcha

SUPERSEDED

Issued on:2004-09-17 | Implemented on:2004-10-01

DB4201/T 466-2015 in English

VALID

Issued on:2015-04-20 | Implemented on:2015-05-20

DB4212/T 57-2023 in English

VALID

Issued on:2023-08-17 | Implemented on:2023-09-07

DB42/T 2125-2023 in English

VALID

Issued on:2023-11-29 | Implemented on:2024-01-29

DB42/T 552.2-2009 in English

VALID

Issued on:2009-07-27 | Implemented on:2009-08-27

DB42/T 389-2006 in English

SUPERSEDED

Issued on:2006-12-08 | Implemented on:2007-01-01

DB42/T 361.3-2006 in English

VALID

Issued on:2006-07-28 | Implemented on:2006-09-01

DB4207/T 304-2022 in English

VALID

Issued on:2022-05-06 | Implemented on:2022-08-01

DB42/T 1741-2021 in English

VALID

Issued on:2021-08-30 | Implemented on:2021-11-01

DB42/T 289-2025 in English

VALID

Issued on:2025-11-07 | Implemented on:2026-01-07