HEA|  |01058nam0 2200301   45  
000|  |143728
001|  |97002701
005|  |970817082617.0
011|  |▼a0032-2334
092|  |▼aCN▼b734C0058
100|  |▼a19800523b19701974k  y eng         ba
101|0 |▼aeng
110|  |▼aaiy    0y u
200|10|▼aPoint-to-point communication-
   |  |▼fMarconi Communication System-
   |  |s Limited.，Marconi`s Wireless -
   |  |Telegraph Company
207| 0|▼av.14-18, no.11; Jan. 1970-Jan. 1974.
210|  |▼aChelmsford, Eng.▼cMarconi Co-
   |  |mmunication Systems Limited.
215|  |▼a4 v.▼cill.▼d25 cm.
300|  |▼aInternational aerospace abstracts
430| 0|▼120010▼aPoint-to-point teleco-
   |  |mmunications
440| 0|▼120010▼aSound and vision broadcasting
440| 0|▼120010▼aCommunication systems
440| 0|▼120010▼aCommunication & broadcasting
530|0 |▼aPoint-to-point communication
531|  |▼aPoint-point commun.
606|  |▼aTelecommunication▼xPeriodicals.
711|0 |▼aMarconi Communication Systems Limited.
711|0 |▼aMarconi`s Wireless Telegraph Company.
905|  |▼a801▼d/▼e▼f1