GB/T 18501.2-2001
直流和低频模拟及数字式高速数据处理设备用连接器 第2部分;有质量评定的圆形连接器分规范
Connectors for use in d.c.,low-frequency analogue and digital high speed data spplications--Part 2: Circular connectors with assessed quality--Sectional specification
GBT18501.2-2001, GB18501.2-2001