-凯发平台

hea|  |00956nam0 2200301   45  
000|  |142212
001|  |97002918
092|  |▼acn▼b710b0228-2
100|  |▼a19920916b19771986m  y0engy0120    ba
101|0 |▼aeng
102|  |▼ausa
110|  |▼aafa    0uu0
200|10|▼atech notes▼ielectrotechnology
207| 0|▼a1977-86
210|  |▼aspringfield, va.▼cnational t-
   |  |echnical information service
447| 1|▼12001 ▼atech notes. computers
447| 1|▼12001 ▼atech notes. energy
447| 1|▼12001 ▼atech notes. engineering
447| 1|▼12001 ▼atech notes. life sciences
447| 1|▼12001 ▼atech notes. machinery & tools
447| 1|▼12001 ▼atech notes. manufacturing
447| 1|▼12001 ▼atech notes. materials
447| 1|▼12001 ▼atech notes. phytsical sciences
447| 1|▼12001 ▼atech notes. testing &-
   |  | instrumentation
447| 1|▼1011  ▼a0889-8464▼12001 ▼atech notes
541|1 |▼a（美）技术札记．电技术
690|  |▼atn
905|  |▼a801▼d/▼e▼f5