HEA|  |01357nam0 2200289   45  
001|  |0191007897
005|  |1920010828161310
010|  |□d￥2.25
091|  |□aCN□b15033.6466
100|  |□a20010828d1986    em y0chiy0121    ea
101|0 |□achi
102|  |□aCN□b110000
105|  |□ay   z   000yy
106|  |□ar
200|10|□a机械密封技术问答□f沈锡华编□Aji xie mi fe-
   |  |ng ji shu wen da
210|  |□a北京□c机械工业出版社□d1986.12
215|  |□a254页□d19cm
300|  |□a本书阐述了机械密封的基本原理、分类、结构设计、材料选用和-
   |  |制造与检验。
606| 0|□a机械密封□x技术□x问答
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701| 0|□a沈锡华□4编□Ashen xi hua
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