HEA|  |01401nam0 2200325  245  
001|  |0149083437
005|  |1920011115100322
010|  |□d￥0.19
091|  |□aCN□b15063.油18
100|  |□a20011102d1975    em y0chiy0121    ea
101|0 |□achi
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105|  |□ay   z   000yy
106|  |□ar
200|10|□a钻机改造□Azuan ji gai zao
210|  |□a北京□c石油化学工业出版社□d1975
215|  |□a72页□d19cm
300|  |□a1974年钻井经验汇编之八
300|  |□a内部发行
517|1 |□a1974年钻井经验汇编之八□A1974 nian zua-
   |  |n jing jing yan hui bian zhi ba
606|  |□a油气钻井-钻机
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