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005|  |1920010110063743
010|  |□d￥0.17
091|  |□aCN□b15099.26
100|  |□a20010110d1975    em y0chiy0121    ea
101|0 |□achi
102|  |□aCN□b370000
105|  |□ay   z   000yy
106|  |□ar
200|10|□a怎样制取和利用沼气□Azen yang zhi qu h-
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210|  |□a济南□c山东人民出版社□d1975
215|  |□a72页□d19cm
606|  |□a甲烷-应用-农业
606|  |□a农业-甲烷-应用
690|  |□aS216
690|  |□aS216.4□v3
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801| 2|□aCN□bMT
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