Standards

DB21/T 1724-2009 Replaced

DB21/T 1724-2009 Japanese, Longbai Poplar Rapid-Growth High-yield Large-diameter Wood Forest Cultivation Technical Regulations

Publish Date: 2009-05-18

DB21/T 1722-2009 Replaced

DB21/T 1722-2009 Technical Regulations for Heating Metering System of Residential Buildings

Publish Date: 2009-04-01

DB21/T 1720-2009 Replaced

DB21/T 1720-2009 Seawater Source Heat Pump System Engineering Technical Specification

Publish Date: 2009-02-25

DB21/T 1716-2009 Replaced

DB21/T 1716-2009 Japanese scallop seedling harvesting technology specifications

Publish Date: 2009-02-17

DB21/T 1706-2008 Replaced

DB21/T 1706-2008 Agricultural product quality and safety Jujube production technical regulations

Publish Date: 2008-12-16

DB21/T 1702-2008 Replaced

DB21/T 1702-2008 Meat cattle production community epidemic prevention and control technical specifications

Publish Date: 2008-12-05

DB21/T 1237-2008 Replaced

DB21/T 1237-2008 Industry Water Consumption Quota

Publish Date: 2008-12-05

DB21/T 1691-2008 Replaced

DB21/T 1691-2008 The technical regulations for the cultivation of red pine fruit-wood dual-purpose forests

Publish Date: 2008-11-24

DB21/T 1673-2008 Replaced

DB21/T 1673-2008 The cultivation technology specifications for fermentation material of chicken-leg mushroom with high quality and safety in agricultural products

Publish Date: 2008-10-28

DB21/T 1671-2008 Replaced

DB21/T 1671-2008 Rice machine threshing and cleaning operation technical regulations

Publish Date: 2008-10-28

DB21/T 1658-2008 Replaced

DB21/T 1658-2008 Agricultural product quality and safety production specifications for the production of watery vegetables

Publish Date: 2008-10-28

DB21/T 1657-2008 Replaced

DB21/T 1657-2008 DB21/T 1657-2008 Agricultural product quality and safety: Squash production technical regulations

Publish Date: 2008-10-28