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西文期刊1.World Patents Index Gazette. section Q, mechanical T-18/X31
馆藏复本:95
可借复本:95
Derwent Publications Ltd., 1987
(0) 馆藏 -
西文期刊2.World Patents Index Gazette. section Q, mechanical T-18/7X
馆藏复本:224
可借复本:224
Derwent Publications Ltd., 1974-88
(0) 馆藏