机读格式显示(MARC)
- 000 00657nam0 2200253 450
- 010 __ |a 7-5025-0045-6 |d ¥3.60
- 100 __ |a 20000301d1988 akmy0chiy0108 ea
- 200 1_ |a 尿素生产工艺与操作问答 |f 钱镜清编著
- 210 __ |a 北京 |c 化学工业出版社 |d 1988
- 801 _0 |a CN |b HNGYL |c 20050513
- 801 _2 |a CN |b LIY |c 20190703
- 905 __ |a SYXY |d TQ441.41/1
- 907 __ |a SYXY |y 2007 |f JZF2007 |d TQ441.41 |e 1 |h 1 |r ¥3.60