HEA|  |01383nam0 2200313   45  
001|  |0149077970
005|  |1920010905101819
010|  |□d￥0.50
091|  |□aCN□b15035.2096
100|  |□a20010905d1977    em y0chiy0121    ea
101|0 |□achi
102|  |□aCN□b110000
105|  |□ay   z   000yy
106|  |□ar
200|10|□a煤矿井下安全供电□Amei kuang jing xia-
   |  | an quan gong dian□f开滦煤矿编
210|  |□a北京□c煤炭工业出版社□d1977
215|  |□a183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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606|  |□a供电-矿井
690|  |□aTD611□v3
711|02|□a开滦煤矿□Akai luan mei kuang□4编
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