HEA|  |01379nam0 2200289  045  
001|  |0191007239
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010|  |□d￥0.85
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100|  |□a20010725d1986    em y0chiy0121    ea
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215|  |□a158页□d19cm
300|  |□a包括三辊行星斜轧(管)机、推轧穿孔、CPE顶管和新型菌式-
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