HEA|  |01377nam0 2200301   45  
001|  |0149062952
005|  |1920010228075628
010|  |□d￥0.70
091|  |□aCN□bK15045.总2485-有5203
100|  |□a20010228d1981    em y0chiy0121    ea
101|0 |□achi
102|  |□aCN□b110000
105|  |□ay   z   000yy
106|  |□ar
200|10|□a整流与变换设备□h下册□Azheng liu yu bi-
   |  |an huan she bei□f河北省邮电学校编
210|  |□a北京□c人民邮电出版社□d1981
215|  |□a244页□d19cm
606|  |□a整流器
606|  |□a变流器
690|  |□aTM46□v3
711|02|□a河北省邮电学校□Ahe bei sheng you di-
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