HEA|  |00652nam0 2200193   45  
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092|  |▼aCN▼b713C0203-01C
100|  |▼a19970224a        k                ea
101|0 |▼aeng
102|  |▼aGBR
110|  |▼aafa    0   
200|10|▼aGeneral & mechanical patents-
   |  | index (GMPI) - alerting abstr-
   |  |acts bulletins▼hSection Q1-Q4▼-
   |  |iTransport, construction
207| 0|▼a1988-
210|  |▼aLondon▼cDerwent Publications Ltd.
430| 1|▼120001▼aWorld patents abstrac-
   |  |ts journals. Q1-Q4: Transport,-
   |  | construction
541|1 |▼a一般工程与机械专利文摘快报,Q1-Q4辑:运输与建筑施工-
905|  |▼a801▼d/▼e▼f1