机读格式显示(MARC)
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- 210 __ |a 北京 |c 人民邮电出版社 |d 1979
- 711 02 |a 纵横制小交换机编写组 |A zong heng zhi xiao jiao huan ji bian xie zu
- 801 _0 |a CN |b JLHGXY |c 20101220
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