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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 18436-2001 |
Engine log book and record book of engine order Telegraph 轮机日志和车钟记录簿 |
China National Standards Telegraph |
 English PDF |
| GB/T 14733.5-1993 |
Terminology fortelecommunications--Telecommunications using discrete signals， Telegraphy， facsimile and data communication 电信术语 使用离散信号的电信方式、电报、传真和数据通信 |
China National Standards Telegraph |
English PDF |
| GB/T 7514-1987 |
Conversion between the 7-bit coded character set for information processing interchange and the 5-unit code for the Telegraph service 信息处理交换用七位编码字符集与电报用五单位电码之间的转换 |
China National Standards Telegraph |
English PDF |
| GB/T 7436-1987 |
Specifications of TDM equipment operating on an analog telephone-type circuit for Telegraph and lower-speed data 在模拟电话电路上开放电报及低速数据的时分复用设备技术要求 |
China National Standards Telegraph |
English PDF |
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