Home / Standards / GB/T 37869.4-2019 GB/T 37869.4-2019 Active Glass containers—Vacuum lug finishes—Part 4: 3 leads 38 medium 玻璃容器 真空凸缘瓶口 第4部分:三旋38中等规格 Standard Type GBT ICS 55.100 CCS Y22 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A