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西文图书1.Index of patents issued from the United States Patent Office. Z89/U58/1
馆藏复本:2
可借复本:2 United States.
1969
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西文图书2.Index of patents issued from the United States Patent Office. Z89/U58/1-2
馆藏复本:1
可借复本:1 United States.
1973
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西文图书3.Index of patents issued from the United States Patent Office. G2/U58-2, G2/U58-2/2
馆藏复本:3
可借复本:2 United States.
The Office : 1921-1974.
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