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200|10|▼aWelding and metal fabrication
207| 0|▼av.19 (1951)-
210|  |▼aGuildford▼cIPC Business Press
430| 1|▼1011  ▼a0372-7211▼15301 ▼aWel-
   |  |ding (London)
530|0 |▼aWelding and metal fabrication
531|  |▼aWeld. met. fabr.
541|1 |▼a（英）焊接与金属装配
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905|  |▼a801▼vv.19-23▼y1951-55▼vv.25－－
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