HEA|  |01837nam0 2200349   45  
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100|  |□a20010911d1977    em y0chiy0121    ea
101|0 |□achi
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106|  |□ar
200|1 |□a重介质和跳汰洗煤□Achong jie zhi he t-
   |  |iao tai xi mei□f开滦煤矿吕家坨洗煤厂,林西洗煤厂编
210|  |□a北京□c煤炭工业出版社□d1977
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225|2 |□a选煤技术操作丛书
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690|  |□aTD94□v3
711|02|□a开滦煤矿吕家坨洗煤厂□Akai luan mei kua-
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