HEA|  |01397nam0 2200313   45  
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010|  |□d￥1.20
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100|  |□a20010531d1986    em□y0chiy0121    eb
101|0 |□achi
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105|  |□ay   z   000yy
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200|10|□a微波管与发射管□f包起雷主编□Awei bo guan -
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210|  |□a北京□c电子工业出版社□d1986
215|  |□a186页□d19cm
330|  |□a介绍微波电子管、发射管、真开关管和真空电容器的工作原理结-
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701| 0|□a包起雷□4主编□Abao qi lei
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   |  |v999_CN01□w1990-01-01□y□zyt
908|  |□aM0081685□b1900072908□cMT□d□e-
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   |  |v999_CN01□w1990-01-01□y□zyt