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中华人民共和国国家标准 GB 2644～2647-81 电话机

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Corporate Authors: 邮电部; 邮电部五一二厂
Published: 技术标准出版社
Publication Dates: 1982
Call Number: T-652.1/5650-12
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22
中华人民共和国国家标准 GB 3383-82 电信传输单位--分贝

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Corporate Authors: 邮电部; 邮电部电信传输研究所
Published: 技术标准出版社
Publication Dates: 1982
Call Number: T-652.1/5650-19
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23
中华人民共和国国家标准 GB 2357-80 电话参考当量测量方法

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Corporate Authors: 邮电部; 邮电部电信传输研究所
Published: 技术标准出版社
Publication Dates: 1982
Call Number: T-652.1/5650-13
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24
中华人民共和国国家标准 GB 2356-80 电话参考当量标准系统

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Corporate Authors: 邮电部; 邮电部传输部; 邮电部一所
Published: 技术标准出版社
Publication Dates: 1982
Call Number: T-652.1/5505.1-3
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25
中华人民共和国国家标准 GB 2095-80 电话交换机机电元件电路动作程序图图形符号

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Corporate Authors: 邮电部; 邮电部520厂
Published: 技术标准出版社
Publication Dates: 1981
Call Number: T-652.1/5650-8
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26
中华人民共和国国家标准 GB 2648-81 电话机磁石发电机技术条件

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Corporate Authors: 邮电部; 邮电部五一二厂
Published: 技术标准出版社
Publication Dates: 1981
Call Number: T-652.1/5650-11
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27
中华人民共和国国家标准 GB 2094-80 纵横制长、市话交换设备灯色及警铃信号标志

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Corporate Authors: 邮电部; 邮电部五一二厂
Published: 技术标准出版社
Publication Dates: 1981
Call Number: T-652.1/5650-9
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28
中华人民共和国国家标准 GB 2096-80 电传打字机技术要求

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Corporate Authors: 邮电部; 邮电部520厂
Published: 技术标准出版社
Publication Dates: 1981
Call Number: T-652.1/5505.1
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29
中华人民共和国国家标准 GB 1492-79 电话机试验方法

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Corporate Authors: 邮电部; 邮电部邮电工业标准化研究所
Published: 技术标准出版社
Publication Dates: 1980
Call Number: T-652.1/5650-7
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30
中华人民共和国国家标准 GB 1583-79 彩色电视图象传输标准

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Corporate Authors: 邮电部; 邮电部电信传输研究所
Published: 技术标准出版社
Publication Dates: 1980
Call Number: T-652.1/5650-6
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31
中华人民共和国国家标准 GB 1584-79 国内电视手插入测试行信号标准

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Corporate Authors: 邮电部; 邮电部电信传输研究所
Published: 技术标准出版社
Publication Dates: 1980
Call Number: T-652.1/5650-5
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32
中华人民共和国国家标准 常用电信设备名词术语 GB1417-78

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Corporate Authors: 邮电部; 国家标准起草工作组
Published: 技术标准出版社
Publication Dates: 1979
Call Number: T-652.1/5650-2
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33
中华人民共和国国家标准 磁石电话机技术条件 GB 1494-79

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Corporate Authors: 邮电部; 邮电部邮电工业标准化研究所
Published: 技术标准出版社
Publication Dates: 1979
Call Number: T-652.1/5650-4
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34
中华人民共和国国家标准 信封 GB 1416-78

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Corporate Authors: 邮电部; 北京市邮政管理局
Published: 技术标准出版社
Publication Dates: 1979
Call Number: T-652.1/5650-1
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35
中华人民共和国国家标准 电信设备通用文字符号 GB1418-78

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Corporate Authors: 邮电部; 邮电工业标准化研究所
Published: 技术标准出版社
Publication Dates: 1979
Call Number: T-652.1/5650
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36
中华人民共和国国家标准 共电、自动电话机技术条件 GB1493-79

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Corporate Authors: 邮电部; 邮电部邮电工业标准化研究所
Published: 技术标准出版社
Publication Dates: 1979
Call Number: T-652.1/5650-3
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