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China GB Standards List

 GB/T 7622-1987  
600/1200 bauds modem standardized for use in the general switched telephone network

在电话自动交换网上使用的标准化600/1200波特调制解调器
 GB/T 7620-1987  
300 bits per second duplex modem standardized for use in the general switched telephone network

在电话自动交换网上使用的标准化300比特/秒全双工调制解调器
 GB/T 7625-1987  
2400/1200 bits per second modem standardized for use in the general switched telephone network

在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器
 GB/T 7621-1987  
1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephonecircuits

在电话自动交换网和点对点二线租用电话型电路上使用的标准化的1200比特/秒双工调制解调器
 GB/T 7339-1987  
Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistors, all of equal value and equal dissipation--Assessment level E

电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗相同, 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)

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