HEA|  |01891nam0 2200361   45  
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005|  |1920010822155433
010|  |□d￥0.27
091|  |□aCN□b15119.2016
100|  |□a20010822d1989    em y0chiy0121    ea
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105|  |□afk  z   000yy
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200|10|□a晶体管扩音机□Ajing ti guan kuo yin-
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205|  |□a新1版
210|  |□a上海□c上海科学技术出版社□d1979
215|  |□a94页□d19cm
300|  |□a书末附录了一些图表和数据以及普及型晶体管扩音电原理图.
606|  |□a晶体管-扩音机
606|  |□a扩音机-晶体管
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711|02|□a上海无线电十八厂□Ashang hai wu xian -
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908|  |□a0185573□b465071□cMT□d0□e2□fT-
   |  |N722.1/5□gMT□hyt□i□j0.27□k□l1-
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