China National Standards

China 300 bits per GB Standards List

  •  China "300 bits per" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    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    		 China National Standards
    300 bits per
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