检索到 1 条 题名=Official catchword index to the 3rd edition (1979) of the International patent classification / 的结果
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西文图书1.Official catchword index to the 3rd edition (1979) of the International patent classification / T-18/WIP:2
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可借复本:2 WorldIntellectualProperty Organization.
Carl Heymann, c1979.
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