Home / Standards / GB/T 12807-2021 GB/T 12807-2021 Active Laboratory glassware一Graduated pipettes 实验室玻璃仪器 分度吸量管 Standard Type GBT ICS 81.040.01 CCS N64 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A