HEA|  |01819nam0 2200325   45  
001|  |0149177007
005|  |1920010807160003
010|  |□d￥1.25
091|  |□aCN□b15045.总2375-有5160
100|  |□a20010807d1980    em y0chiy0121    ea
101|0 |□achi
102|  |□aCN□b110000
105|  |□ay   z   000yy
106|  |□ar
200|10|□a架空明线通信线路□Ajia kong ming xian-
   |  | tong xin xian lu□f四川省邮电学校编
210|  |□a北京□c人民邮电出版社□d1980
215|  |□a509页□d20cm
300|  |□a邮电中等专业学校试用教材
606|  |□a架空明线:通信线路□x专业学校□x教材
606|  |□a通信线路:架空明线□x专业学校□x教材
690|  |□aTN913.31□v3　
711|02|□a四川省邮电学校□Asi chuan sheng you -
   |  |dian xue xiao□4编
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