HEA|  |01666nam0 2200325   45  
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005|  |1920010905082507
010|  |□d￥0.52
091|  |□aCN□b15035.2009
100|  |□a20010905d1975    em y0chiy0121    ea
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200|10|□a煤矿电工基础知识□Amei kuang dian gon-
   |  |g ji chu zhi shi□f开滦煤矿编
210|  |□a北京□c煤炭工业出版社□d1975
215|  |□a228页□d19cm
225|2 |□a煤矿井下电工丛书
410| 0|□120010□a煤矿井下电工丛书
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690|  |□aTD6□v3
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