Standards

Current Category: CN-DB21 - Liaoning Province

Status: All
All Active Pending Replaced Abolished Abolished (Transferred)
Publish Year: 2021& Before
All 2026 2025 2024 2023 2022 2021& Before
DB21/T 1637-2008 Replaced

DB21/T 1637-2008 Wild hazelnut forest reclamation technical regulations

Publish Date: 2008-07-28
DB21/T 1641-2008 Active

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

Publish Date: 2008-07-28
DB21/T 1638-2008 Active

DB21/T 1638-2008 Urban rail transit automatic fare collection system standardization guidelines

Publish Date: 2008-07-28
DB21/T 1636-2008 Active

DB21/T 1636-2008

Publish Date: 2008-07-28
DB21/T 1635-2008 Active

DB21/T 1635-2008 Liao Xiaoxian Cultivation Technical Specification

Publish Date: 2008-07-17
DB21/T 1634-2008 Abolished

DB21/T 1634-2008 DB21/T 1634-2008 Planting out Tree Production Management Regulations

Publish Date: 2008-07-17
DB21/T 1633-2008 Abolished

DB21/T 1633-2008 DB21/T 1633-2008 Propagating Flower Production Management Specification

Publish Date: 2008-07-17
DB21/T 1631-2008 Abolished

DB21/T 1631-2008 Forest Fire Danger Meteorological Conditions Grade

Publish Date: 2008-07-03
DB21/T 1632-2008 Active

DB21/T 1632-2008 The forecasting level of meteorological conditions for floods in the watershed of Liaoning Province

Publish Date: 2008-07-03
DB21/T 1630-2008 Abolished

DB21/T 1630-2008 Motorway driving safety weather condition classification

Publish Date: 2008-07-03
DB21/T 1454.4-2008 Active

DB21/T 1454.4-2008

Publish Date: 2008-07-03
DB21/T 1454.5-2008 Active

DB21/T 1454.5-2008

Publish Date: 2008-07-03