MARC信息
HEA| |00577nam0 2200217 45 000| |143150 001| |97001700 011| |▼a0143-9561 092| |▼aCN▼b734C0118 100| |▼a19920916a19799999m y0engy0120 ba 101|0 |▼aeng▼aetc 102| |▼aGBR 110| |▼aaga 0uu0 200|10|▼aCommunications engineering i- | |nternational 207| 0|▼av.1 (1979)- 210| |▼aNew Malden, Surrey▼cESP Comm- | |unications Ltd. 530|0 |▼aCommunications engineering i- | |nternational 531| |▼aCommun. eng. int. 541|1 |▼a(英)国际通信工程 690| |▼aTN91 905| |▼a801▼d/▼e▼f7
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