Home / Standards / GB/T 18358-2009 GB/T 18358-2009 Active General requirements of trim size and type area for primary and secondary school textbooks 中小学教科书幅面尺寸及版面通用要求 Standard Type GBT ICS 35.240.30 CCS A19 Status 现行 Issue Date 2009-09-30 Implementation 2010-02-01 Responsible Dept 国家标准委 Drafting Unit N/A