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西文期刊1.World patents abstracts.British patents abstracts (Unexamined plus granted), A-M,PQ, S-X : Chemi... T-18/X34
馆藏复本:52
可借复本:52
Derwent information, c1989-
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馆藏复本:52
可借复本:52
Derwent information, c1989-
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