Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB21/T 2772-2017 via email in business day valid
DB21/T 2773-2017 technical specification of artificial propagation for Rhopilema esculenta via email in business day valid
DB21/T 2774-2017 Technical specification for industrial larval rearing of Solen grandis via email in business day valid
DB21/T 2775-2017 Technical specification for industrial culture of Litopenaeus vannamei via email in business day valid
DB21/T 2776-2017 Technical specification for brown tide damage assessment via email in business day valid
DB21/T 2777-2017 via email in business day valid
DB21/T 2778-2017 Technical specification for test of SBS content in highway modified asphalt via email in business day valid
DB21/T 2779-2017 Quality evaluation implementation rules of electro-mechanical engineering of liaoning highways via email in business day valid
DB21/T 2780.1-2017 via email in business day valid
DB21/T 2780.2-2017 via email in business day valid
DB21/T 2781-2017 via email in business day valid
DB21/T 2782-2017 via email in business day valid
DB21/T 2783-2017 via email in business day valid
DB21/T 2784-2017 Paddyfield burying stubble harrowing slurry land leveller-working technique regulations via email in business day valid
DB21/T 2785-2017 via email in business day valid
DB21/T 2786-2017 specification for densified biofuel via email in business day valid
DB21/T 2787-2017 Technical Specification of Biochar Substratum in Rice Factory Seeding via email in business day valid
DB21/T 2788-2017 Production technical regulation of exiting big peanut via email in business day valid
DB21/T 2789-2017 Technical Specification for Production of Single-grain Sowing for Maize Seed via email in business day valid
DB21/T 2790-2017 Rule for evaluation of sorghum resistance to acremonium wilt via email in business day valid
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