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| 名称 | Telephony and telegraphy : an introduction to instruments and switching systems (electromechanical and reed-electronic) | |
| 索引号 | TN916/E801.3 | |
| 分类号 | TN916 TN916(电话) TN91(通信) TN(无线电电子学、电信技术) T(工业技术) |
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| 作者 | Smith、 Sydney F.、 | |
| 出版社 | Oxford ; New York : Oxford University Press, 1978. | |
| ISBN | ||
| 页数 | xiv, 278 p. : ill. ; 26 cm. | |
| 价格 | ||
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| 简介 | ||
| 注解 | First ed. published in 1969 under title: Telephony & telegraphy A. Includes index. | |










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