Home / Standards / GB/T 2609-2015 GB/T 2609-2015 Active Microscopes—Objectives 显微镜 物镜 Standard Type GBT ICS 37.020 CCS N32 Status 现行 Issue Date 2015-12-10 Implementation 2016-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A