Home / Standards / GB/T 14149-1993 GB/T 14149-1993 Active Laboratory glassware--Interchangeablespherial ground joints 实验室玻璃仪器 互换球形磨砂接头 Standard Type GBT ICS 81.040.30 CCS N64 Status 现行 Issue Date 1993-02-15 Implementation 1993-10-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A