Home / Standards / GB/T 14072-1993 GB/T 14072-1993 Active Conservation principle and method of germplasm resources of forest trees 林木种质资源保存原则与方法 Standard Type GBT ICS 65.020.40 CCS B61 Status 现行 Issue Date 1993-02-04 Implementation 1993-10-01 Responsible Dept 国家林草局 Drafting Unit N/A