HEA|  |00635nam0 2200241   45  
000|  |144906
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005|  |970627095025.0
011|  |▼a0009-2703
092|  |▼aCN▼b810B0007
100|  |▼a19961210b19711973k                ba
101|0 |▼aeng
102|  |▼aUSA
106|  |▼ar
110|  |▼aafaz   0   
200|10|▼aChemical technology
207| 0|▼av.1(1971)-v.7,no.4(1977)
210|  |▼aWashington▼cAmerican Chemical Society
430| 1|▼120001▼aIndustrial and Engine-
   |  |ering Chemistry(1923-70,v.15-26)
440| 1|▼120001▼aChemtech(1977,v.7,no.5-)
541|1 |▼a(美)化学工艺学
686|  |▼a25.2▼bC22
905|  |▼a801▼d/▼e▼f1