ICS65.020.40CCSB61DB11北京市地方标准DB11/T1244—2023代替DB11/T1244—2015国槐育苗技术规程TechnicalregulationsforseedlingcultivationofSophorajaponicaL.2023-12-25发布2024-04-01实施北京市市场监督管理局发布DB11/T1244—2023I目次前言.................................................................................II1范围............................................................
