-凯发平台

hea|  |03769nam0 2200313   45  
000|  |142297
001|  |97002860
005|  |970629173144.0
011|  |▼a0037-4938
092|  |▼acn▼b734b0014
100|  |▼a19920916a19509999m  y0engy0120    ba
101|0 |▼aeng
102|  |▼ausa
110|  |▼aafa    0uu0
200|10|▼asignal.
207| 0|▼av.4, no.11 (1950)-
210|  |▼afalls church, va.▼carmed for-
   |  |ces communications and electro-
   |  |nics association
430|  |▼12001▼amilitary signals
530|0 |▼asignal▼bfalls church
531|  |▼asignal▼bfalls church
541|1 |▼a（美）信号
690|  |▼ae96
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